- Ray Walston
- Â Uncle Martin 107 episodes, 1963-1966
- Bill Bixby
- Â Tim O'Hara 107 episodes, 1963-1966
- Pamela Britton
- Â Mrs. Lorelei Brown / ... 62 episodes, 1963-1966
- Alan Hewitt
- Â Det. Bill Brennan / ... 28 episodes, 1964-1966
- J. Pat O'Malley
- Â Mr. Harry Burns 7 episodes, 1963-1964
- Roy Engel
- Â Police Captain 5 episodes, 1965-1966
- Lee Krieger
- Â Officer Walker / ... 5 episodes, 1963-1966
- Hal Baylor
- Â Red / ... 4 episodes, 1964-1966
- Harry Lauter
- Â Detective Smithers / ... 4 episodes, 1964-1965
- Cliff Norton
- Â J. Nathaniel Pierce / ... 3 episodes, 1963-1965
- Ann Marshall
- Â Angela Brown 3 episodes, 1963
- Bernie Kopell
- Â George / ... 3 episodes, 1964-1965
- Howard Morton
- Â Brian Henley / ... 3 episodes, 1963-1965
- Dick Wilson
- Â Charlie / ... 3 episodes, 1963-1964
- Olan Soule
- Â Daniel Farrow / ... 3 episodes, 1963-1965
- Lillian Culver
- Â Mrs. Peabody / ... 3 episodes, 1964-1965
- Michael Barrier
- Â 2nd Agent / ... 3 episodes, 1964-1965
- Paul Sorensen
- Â 1st Policeman / ... 3 episodes, 1964-1966
- Jon Silo
- Â Ice Cream Man / ... 3 episodes, 1963-1966
- Orangey
- Â Cat on Footpath / ... 1 episode, 1963-1964
- Richard Deacon
- Â James J. Jackson / ... 2 episodes, 1963-1964
- Allan Melvin
- Â Clarence / ... 2 episodes, 1964-1966
- Dan Seymour
- Â Chief of Police / ... 2 episodes, 1965
- Herbert Ellis
- Â Chief Buffalo / ... 2 episodes, 1964-1966
- Jan Arvan
- Â Doctor Nelson / ... 2 episodes, 1964
- Gavin MacLeod
- Â Alvin Wannamaker 2 episodes, 1965-1966
- Larry D. Mann
- Â Butterball / ... 2 episodes, 1965-1966
- Madge Blake
- Â Cora Darling / ... 2 episodes, 1963-1965
- Herbert Rudley
- Â Col. Whitehead / ... 2 episodes, 1963-1964
- Don Haggerty
- Â Bank Guard / ... 2 episodes, 1964-1965
- Henry Corden
- Â East Indian / ... 2 episodes, 1964-1965
- Herbie Faye
- Â Andy Fuller / ... 2 episodes, 1964-1965
- Don Keefer
- Â Henry / ... 2 episodes, 1964
- Harry Holcombe
- Â Arthur Nelson / ... 2 episodes, 1965
- Richard Reeves
- Â Detective / ... 2 episodes, 1963-1965
- Jackie Russell
- Â Daphne Joyce / ... 2 episodes, 1963-1965
- Vito Scotti
- Â Junkyard Manager / ... 2 episodes, 1963-1964
- Henry Beckman
- Â Ass't D.A. Ronald Bradley / ... 2 episodes, 1963-1964
- Jonathan Hole
- Â Walter Poppe / ... 2 episodes, 1964-1966
- David White
- Â Dr. Nichols / ... 2 episodes, 1964
- Michael Constantine
- Â Collins / ... 2 episodes, 1965-1966
- John Considine
- Â Joe / ... 2 episodes, 1965-1966
- Jamie Farr
- Â Benny / ... 2 episodes, 1965-1966
- Mary Gregory
- Â Miss Thorenson / ... 2 episodes, 1965-1966
- William Baskin
- Â Akbar / ... 2 episodes, 1965
- Norman Alden
- Â Detective Harris / ... 2 episodes, 1963-1965
- Noam Pitlik
- Â Officer Thorp / ... 2 episodes, 1963-1965
- Bryan O'Byrne
- Â Dr. Weisbord / ... 2 episodes, 1963-1965
- Len Lesser
- Â Carlo / ... 2 episodes, 1965-1966
- Leon Askin
- Â Peter Minuit / ... 2 episodes, 1965-1966
- Penny Santon
- Â Grandmother / ... 2 episodes, 1965-1966
- Bern Hoffman
- Â Fred / ... 2 episodes, 1965-1966
- Ken Mayer
- Â Pete 2 episodes, 1965
- Shelley Morrison
- Â Little Feather / ... 2 episodes, 1966
- Stafford Repp
- Â Police Sergeant / ... 2 episodes, 1964-1965
- Ray Kellogg
- Â 2nd Policeman / ... 2 episodes, 1964-1965
- Chick Hearn
- Â Announcer / ... 2 episodes, 1965-1966
- Herb Andress
- Â Assistant / ... 2 episodes, 1965-1966
- George Cisar
- Â Patrolman #1 / ... 2 episodes, 1963
- David Bond
- Â Curator / ... 2 episodes, 1964-1966
- Carol Worthington
- Â Miss Kane / ... 2 episodes, 1964-1965
- Susan Wedell
- Â Kathy / ... 2 episodes, 1964-1965
- Frank Evans
- Â Announcer / ... 2 episodes, 1965
- Hal England
- Â Red 2 episodes, 1966
- Christine Burke
- Â Nancy 2 episodes, 1966
- Nora Denney
- Â Woman 2 episodes, 1966
- Kathy Kersh
- Â Jennifer 1 episode, 1963
- Jerome Cowan
- Â Dr. Jackson 1 episode, 1963
- Nancy Rennick
- Â Cynthia Parker 1 episode, 1963
- Alan Hale Jr.
- Â Omar M. Keck 1 episode, 1964
- Frank Marth
- Â Captain Edward Prescott 1 episode, 1964
- Cecil Kellaway
- Â Wilbur Canfield 1 episode, 1964
- Lennie Weinrib
- Â Dr. Herbie Little 1 episode, 1964
- Dennis Rush
- Â Horace 1 episode, 1964
- Charles Maxwell
- Â Jakobar 1 episode, 1964
- Milton Frome
- Â Logan 1 episode, 1964
- Todd Baron
- Â Peter 1 episode, 1964
- Yvonne Craig
- Â Louise 1 episode, 1965
- Arlene Martel
- Â Viola Normandy 1 episode, 1965
- Lurene Tuttle
- Â Tessie 1 episode, 1965
- Sean McClory
- Â Seamus O'Hara 1 episode, 1965
- Susanne Cramer
- Â Kitty 1 episode, 1965
- Linda Gaye Scott
- Â Nadja 1 episode, 1965
- Doris Packer
- Â Miss Pringle 1 episode, 1965
- Lauren Gilbert
- Â Mr. Abernathy 1 episode, 1965
- Anne Wakefield
- Â Duchess of Brimstone 1 episode, 1965
- Sarah Marshall
- Â Mrs. Frisby 1 episode, 1966
- Michael Conrad
- Â A.C. 1 episode, 1966
- Conrad Janis
- Â Chad Foster 1 episode, 1966
- Trevor Bardette
- Â Grandpa Green 1 episode, 1966
- Butch Patrick
- Â Stevie 1 episode, 1963
- Jean Hale
- Â Jeanine Carter 1 episode, 1963
- Frank Aletter
- Â Agent No. 2 1 episode, 1963
- Pamela Curran
- Â Accomplice 1 episode, 1963
- Willard Waterman
- Â Mr. Trimble 1 episode, 1963
- Robert Colbert
- Â Bill Fisher 1 episode, 1963
- Ina Victor
- Â Annabelle 1 episode, 1963
- Laura Shelton
- Â Marsha Carson 1 episode, 1963
- Frank Behrens
- Â Dr. Bonnett 1 episode, 1963
- Eleanor Berry
- Â Nurse 1 episode, 1963
- Henry Gibson
- Â Homer P. Gibson 1 episode, 1964
- Marlo Thomas
- Â Paula 1 episode, 1964
- Pat Priest
- Â Della Darwell 1 episode, 1964
- Hal Smith
- Â Barnaby 1 episode, 1964
- Dub Taylor
- Â Charles 1 episode, 1964
- Francine York
- Â Nurse Norma 1 episode, 1964
- Michael Fox
- Â Doctor Gilbert 1 episode, 1964
- Cyril Delevanti
- Â Mr. Green 1 episode, 1964
- James T. Callahan
- Â Jack 1 episode, 1964
- June Dayton
- Â Aunt Lily 1 episode, 1964
- John Qualen
- Â Matt 1 episode, 1964
- Sheila Bromley
- Â Mrs. Thomas 1 episode, 1964
- Alice Backes
- Â Miss Maxwell 1 episode, 1964
- Leonid Kinskey
- Â Professor Hammershlag 1 episode, 1964
- Keith Taylor
- Â Eddie Prescott 1 episode, 1964
- Paul Smith
- Â Harvey O'Hara 1 episode, 1964
- Yale Summers
- Â Intern 1 episode, 1964
- Albert Carrier
- Â Andre Dupre 1 episode, 1964
- Jay Sheffield
- Â Ezel 1 episode, 1964
- Robert P. Lieb
- Â Lieut. Gibson 1 episode, 1964
- Lillian Buyeff
- Â Maggie 1 episode, 1964
- Justin Smith
- Â Stanley 1 episode, 1964
- Jill Ireland
- Â Zelda 1 episode, 1965
- Virginia Gregg
- Â Eileen McGinty 1 episode, 1965
- Parley Baer
- Â Mr. Babcock 1 episode, 1965
- Nydia Westman
- Â Matilda 1 episode, 1965
- James Millhollin
- Â Mr. Hoskins 1 episode, 1965
- Mort Mills
- Â Jesse James 1 episode, 1965
- Marge Redmond
- Â Mother 1 episode, 1965
- Vaughn Taylor
- Â Professor Clemmens 1 episode, 1965
- Melinda O. Fee
- Â Sylvia 1 episode, 1965
- Guy Marks
- Â Shorty Smith 1 episode, 1965
- Natalie Masters
- Â Nurse 1 1 episode, 1965
- Bob Jellison
- Â Mister Dinkle 1 episode, 1965
- Kim Tyler
- Â Gerald Farrow 1 episode, 1965
- Jonathan Kidd
- Â 1st Scientist 1 episode, 1965
- Katie Sweet
- Â Doris 1 episode, 1965
- Anthony Eustrel
- Â King John 1 episode, 1965
- Paul Verdier
- Â Abu 1 episode, 1965
- Ernest Sarracino
- Â Amalfi 1 episode, 1965
- Randy Kirby
- Â George 1 episode, 1965
- Mona Bruns
- Â Mrs. Wooster 1 episode, 1965
- Nicholas Colasanto
- Â Orville 1 episode, 1966
- Patricia Smith
- Â Peggy Reynolds 1 episode, 1966
- James Frawley
- Â Mr. Frisby 1 episode, 1966
- Eileen O'Neill
- Â Delilah 1 episode, 1966
- Janis Hansen
- Â Kerry Green 1 episode, 1966
- Gilbert Green
- Â Dr. Carson 1 episode, 1966
- John Fiedler
- Â Professor Jennings 1 episode, 1963
- Sharon Farrell
- Â Gloria Trimble 1 episode, 1963
- Linden Chiles
- Â Howard Loomis 1 episode, 1963
- Flip Mark
- Â Donald Mumford 1 episode, 1963
- Jan Moriarty
- Â Peggy Collins 1 episode, 1963
- Ed Holmes
- Â Agent No. 1 1 episode, 1963
- Greta Randall
- Â Model 1 episode, 1963
- Tom Skerritt
- Â Edgar 1 episode, 1964
- Buck Taylor
- Â Bruce Baker 1 episode, 1964
- Maggie Pierce
- Â Linda 1 episode, 1964
- Bill Zuckert
- Â Doctor Rothman 1 episode, 1964
- Kip King
- Â Freddie Carson 1 episode, 1964
- Joseph Walsh
- Â Ernest 1 episode, 1964
- Moyna MacGill
- Â Aggie 1 episode, 1964
- Rory Stevens
- Â Stanley 1 episode, 1964
- Sally Carter-Ihnat
- Â Nurse 1 episode, 1964
- Sheldon Allman
- Â Patrolman Culbreth 1 episode, 1964
- Dennis Robertson
- Â Charlie 1 episode, 1964
- Irwin Charone
- Â Smight 1 episode, 1964
- Stanley Ralph Ross
- Â Folk Singer 1 episode, 1964
- George Dunn
- Â Mr. Graham 1 episode, 1964
- Edward Colmans
- Â Mr. Blackstone 1 episode, 1964
- Dodie Marshall
- Â Imogene 1 episode, 1964
- Maya Van Horn
- Â Francine Resnay 1 episode, 1964
- Clarence Lung
- Â Maitre D' 1 episode, 1964
- Mel Prestidge
- Â Maitre d' 1 episode, 1964
- Bart Conrad
- Â Guard #1 1 episode, 1964
- Beatriz Monteil
- Â Dancer 1 episode, 1964
- Pamela Goodwin
- Â Pammie Goodman 1 episode, 1964
- L.Q. Jones
- Â Frank James 1 episode, 1965
- Victor French
- Â Mugs Carson 1 episode, 1965
- Sue Randall
- Â Miss Turner 1 episode, 1965
- Amzie Strickland
- Â Jenny Holbrook 1 episode, 1965
- Michael Pataki
- Â Johnny 1 episode, 1965
- Steve Franken
- Â George 1 episode, 1965
- Don Diamond
- Â Judge Gonzales 1 episode, 1965
- Les Tremayne
- Â Mr. Clary 1 episode, 1965
- Lisa Seagram
- Â Felicia Fratoli 1 episode, 1965
- Melinda Casey
- Â Sally 1 episode, 1965
- Naomi Stevens
- Â Mama 1 episode, 1965
- Bill Idelson
- Â Mrs. Brown's Brother 1 episode, 1965
- Robert Doyle
- Â Slippery Sam 1 episode, 1965
- Hedley Mattingly
- Â Gerald Waley 1 episode, 1965
- Dinah Anne Rogers
- Â 2nd Scientist 1 episode, 1965
- Bruce Glover
- Â Ralph O'Hara 1 episode, 1966
- Arthur Malet
- Â Dr. Dunlap 1 episode, 1966
- Dan Frazer
- Â Clete Baxter 1 episode, 1966
- Eve McVeagh
- Â Mother 1 episode, 1966
- Jack Collins
- Â Sam 1 episode, 1966
- Barry Russo
- Â Joey 1 episode, 1966
- Michael Carr
- Â Young Deer 1 episode, 1966
- Robert Ball
- Â Dog Catcher 1 episode, 1966
- Wayne Stam
- Â Andromeda / ... 1 episode, 1966
- Craig Curtis
- Â Arnold O'Reilly 1 episode, 1966
- Kathryn Minner
- Â Mama 1 episode, 1966
- Kathie Browne
- Â Peaches 1 episode, 1963
- Betsy Jones-Moreland
- Â Miss Weaver 1 episode, 1963
- Dal McKennon
- Â Mailman 1 episode, 1963
- Emil Sitka
- Â Workman-1 1 episode, 1963
- Dick Patterson
- Â Douglas Ginzer 1 episode, 1963
- Karl Lukas
- Â Bruno 1 episode, 1963
- Robert Paget
- Â Young Man 1 episode, 1963
- Phil Garris
- Â Delivery Boy 1 episode, 1963
- Irene Tsu
- Â Leilani 1 episode, 1964
- Elvia Allman
- Â Mrs. Graham 1 episode, 1964
- Joseph V. Perry
- Â Guard #2 1 episode, 1964
- Lane Bradford
- Â Harry 1 episode, 1964
- Peter Brooks
- Â Young Man 1 episode, 1964
- J. Edward McKinley
- Â Mr. Phelps 1 episode, 1964
- Yvonne White
- Â Dulcy 1 episode, 1964
- Maurice Marsac
- Â Donati 1 episode, 1964
- Hazel Shermet
- Â Bargaining Woman 1 episode, 1964
- Ollie O'Toole
- Â Man with Dog 1 episode, 1964
- Walter Janovitz
- Â Lazlo 1 episode, 1964
- Jacklyn O'Donnell
- Â Coed 1 episode, 1964
- Diane Libby
- Â Tim's Girl 1 episode, 1964
- James Joyce
- Â Folk Singer 1 episode, 1964
- Danny Krieger
- Â Gloucester 1 episode, 1964
- Sandra Lynn
- Â Dancer 1 episode, 1964
- Linda Evans
- Â Sally Farrow 1 episode, 1965
- John Crawford
- Â Announcer 1 episode, 1965
- Ben Wright
- Â Vladimir 1 episode, 1965
- Howard Caine
- Â Sultan 1 episode, 1965
- Arthur Peterson
- Â Doctor 1 episode, 1965
- Sara Haden
- Â Dora Darling 1 episode, 1965
- Owen Bush
- Â Postman 1 episode, 1965
- Dick Winslow
- Â Sgt. Leffler 1 episode, 1965
- Stan Ross
- Â Radio Voice 1 episode, 1965
- Bella Bruck
- Â Mrs. Gallup 1 episode, 1965
- Jesse Wayne
- Â 2nd Swordsman 1 episode, 1965
- Monroe Arnold
- Â Doctor 1 episode, 1965
- John Zaccaro
- Â 1st Agent 1 episode, 1965
- Robin Watts
- Â Pretty Girl 1 episode, 1965
- Hap Holmwood
- Â Control Engineer 1 episode, 1965
- Paul Steyer
- Â Messenger 1 episode, 1965
- John Lasell
- Â Mr. Morgan 1 episode, 1966
- Teddy Quinn
- Â Alfred 1 episode, 1966
- Joe Higgins
- Â Guard #1 1 episode, 1966
- Tony Martinez
- Â Glob 1 episode, 1966
- Duane Grey
- Â Policeman 1 episode, 1966
- Suzanne Taylor
- Â Martha O'Hara 1 episode, 1966
- Tom Kennedy
- Â Mike 1 episode, 1963
- Nancy Howard
- Â Mary Hogan 1 episode, 1963
- Burt Conroy
- Â Workman-2 1 episode, 1963
- Joyce Jameson
- Â Flossie 1 episode, 1964
- Mikki Jamison
- Â Debbie 1 episode, 1964
- Cathleen Cordell
- Â Mrs. Bentley 1 episode, 1964
- Frank De Vol
- Â Prof. Crenshaw 1 episode, 1964
- Roger Creed
- Â Guard 1 episode, 1964
- LaWana Backer
- Â Salesgirl 1 episode, 1964
- Barbara McCall
- Â Dancer 1 episode, 1964
- Jim McCall
- Â Fatso 1 episode, 1964
- Chief Sua
- Â Machete and Fire Dancer 1 episode, 1964
- Murray Matheson
- Â Filbert 1 episode, 1965
- Barbara Perry
- Â Miss Hotchkiss 1 episode, 1965
- James Jeter
- Â Waiter 1 episode, 1965
- Shannon Farnon
- Â Caroline 1 episode, 1965
- Page Slattery
- Â Junior 1 episode, 1965
- Jimmie Lee Gaines
- Â Edgar 1 episode, 1965
- Richard Gilden
- Â Indian Brave 1 episode, 1965
- John Newton
- Â McCarthy 1 episode, 1965
- Johnny Jacobs
- Â Newscaster 1 episode, 1965
- Dorothy Keller
- Â Short Lady 1 episode, 1965
- Ralph Smiley
- Â Roscoe 1 episode, 1965
- Jerry Riggio
- Â Head Waiter 1 episode, 1965
- Charles Stewart
- Â Patrolman 1 episode, 1965
- Peter Brocco
- Â Curator 1 episode, 1966
- Claude Johnson
- Â Jimmy McClain 1 episode, 1966
- Paula Stewart
- Â Nurse Jones 1 episode, 1966
- Don Washbrook
- Â Howard 1 episode, 1966
- Billy M. Greene
- Â Guard #2 1 episode, 1966
- Gigi Verone
- Â Indian Girl 1 episode, 1966
- Joe Hernandez
- Â Announcer 1 episode, 1966
- Bobby Horan
- Â First Boy 1 episode, 1966
- Dee J. Thompson
- Â Jean 1 episode, 1963
- Jan Burrell
- Â Usher 1 episode, 1963
- Bobby Byles
- Â Music Student 1 episode, 1963
- Tommy Durkin
- Â Harold 1 episode, 1963
- Dovima
- Â Model 1 episode, 1964
- Len Felber
- Â Policeman 1 episode, 1964
- Harvey Lembeck
- Â Rembrandt Jones 1 episode, 1965
- Eddie Little Sky
- Â Medicine Man 1 episode, 1965
- Jack Donner
- Â Master of Ceremonies 1 episode, 1965
- Emile Meyer
- Â Ship's Captain 1 episode, 1965
- Donald Briggs
- Â General 1 episode, 1965
- Gloria Marshall
- Â Police Dispatcher 1 episode, 1965
- Doreen McLean
- Â Nurse 1 episode, 1965
- Chanin Hale
- Â Sales Girl 1 episode, 1966
- Robert Roter
- Â Second Boy 1 episode, 1966
- R.N. Bullard
- Â First Guard 1 episode, 1966
- Alan Reed
- Â Councilman Jack Gramby 1 episode, 1963
- Arlen Stuart
- Â Harold's Mother 1 episode, 1963
- Marc Towers
- Â Plainclothes Man 1 episode, 1963
- James Sikking
- Â Aide 1 episode, 1965
- John Alvin
- Â Colonel 1 episode, 1965
- Leon Belasco
- Â Ilya Politnikoff 1 episode, 1965
- Jeff DeBenning
- Â Big Jim 1 episode, 1965
- Bill Chaudet
- Â Flamand 1 episode, 1965
- Raúl MartÃn
- Â Manuelo 1 episode, 1965
- Norman Bartold
- Â 2nd Policeman 1 episode, 1966
- Janie Kelly
- Â Young Woman 1 episode, 1966
- Simon Oakland
- Â Lt. Murphy 1 episode, 1963
- John Anderson
- Â Capt. Farrow 1 episode, 1963
- Craig Huxley
- Â Boy #2 1 episode, 1963
- Lee Bergere
- Â DeWitt Merrick 1 episode, 1965
- Allen Jaffe
- Â Vincent 1 episode, 1965
- Woodrow Parfrey
- Â Floor Manager 1 episode, 1966
- Glenn Eckenroth
- Â Cab Driver 1 episode, 1965
- George
- Â Dog 1 episode, 1963
- Chloe
- Â Dog 1 episode, 1963
- Mr. McPhee
- Â Cat 1 episode, 1965
- Cosmo Sardo
- Â Gallery Patron / ... (uncredited) 3 episodes, 1964
- Rudy Germane
- Â Club Patron / ... (uncredited) 2 episodes, 1964
- Johnny Kern
- Â Club Patron / ... (uncredited) 2 episodes, 1964
- BooBoo
- Â BooBoo (uncredited) 1 episode, 1963
- Bill Quinn
- Â Mac (uncredited) 1 episode, 1964
- Leon Alton
- Â Reporter (uncredited) 1 episode, 1964
- Sam Harris
- Â Gallery Patron (uncredited) 1 episode, 1964
- George Holmes
- Â Club Patron (uncredited) 1 episode, 1964
- Hans Moebus
- Â Club Patron (uncredited) 1 episode, 1964
- Murray Pollack
- Â Club Patron (uncredited) 1 episode, 1964
- Ralph Brooks
- Â Office Worker (uncredited) 1 episode, 1964
- Joseph La Cava
- Â Elevator Operator (uncredited) 1 episode, 1964
- Monya Andre
- Â Gallery Patron (uncredited) 1 episode, 1964
- George Hoagland
- Â Club Patron (uncredited) 1 episode, 1964
- Sid Troy
- Â Club Patron (uncredited) 1 episode, 1964
- Judith Woodbury
- Â Office Worker (uncredited) 1 episode, 1964
- Michael Cirillo
- Â Club Patron (uncredited) 1 episode, 1964
- Leoda Richards
- Â Customer (uncredited) 1 episode, 1965
- Norman Stevans
- Â Salesman (uncredited) 1 episode, 1965
- Bob Miles
- Â Barfly (uncredited) 1 episode, 1965
- Chalky Williams
- Â Townsman (uncredited) 1 episode, 1965
- William Meader
- Â Barfly (uncredited) 1 episode, 1965
- Zamba
- Â The Lion (uncredited) 1 episode, 1966
- Frank Inn
- Â Dog Trainer (uncredited) 1 episode, 1966
- Herbert Winters
- Â Studio page (uncredited) 1 episode, 1966
- Tutu
- Â Dog (uncredited) 1 episode, 1966
- Sweet Sister
- Â Horse (uncredited) 1 episode, 1966