- Katherine Helmond
- Â Jessica Tate 88 episodes, 1977-1981
- Rod Roddy
- Â Announcer 87 episodes, 1977-1981
- Richard Mulligan
- Â Burt Campbell 86 episodes, 1977-1981
- Cathryn Damon
- Â Mary Campbell 85 episodes, 1977-1981
- Ted Wass
- Â Danny Dallas 79 episodes, 1977-1981
- Robert Mandan
- Â Chester Tate 78 episodes, 1977-1981
- Billy Crystal
- Â Jodie Dallas 77 episodes, 1977-1981
- Jennifer Salt
- Â Eunice Tate / ... 67 episodes, 1977-1981
- Jimmy Baio
- Â Billy Tate 66 episodes, 1977-1981
- Arthur Peterson
- Â The Major 62 episodes, 1977-1981
- Diana Canova
- Â Corinne Tate Flotsky / ... 61 episodes, 1977-1980
- Jay Johnson
- Â Bob Campbell / ... 61 episodes, 1977-1981
- Robert Guillaume
- Â Benson DuBois 51 episodes, 1977-1980
- Donnelly Rhodes
- Â Dutch Leitner 38 episodes, 1978-1981
- Sal Viscuso
- Â Tim Flotsky / ... 24 episodes, 1977-1979
- Rebecca Balding
- Â Carol David 19 episodes, 1978-1980
- Marla Pennington
- Â Leslie Walker 18 episodes, 1979-1981
- John Byner
- Â Detective Donahue 17 episodes, 1978-1980
- Roscoe Lee Browne
- Â Saunders 16 episodes, 1980-1981
- Dinah Manoff
- Â Elaine Lefkowitz Dallas / ... 15 episodes, 1978
- Eugene Roche
- Â E. Ronald Mallu / ... 14 episodes, 1978-1980
- Gordon Jump
- Â Chief of Police Tinkler 12 episodes, 1977-1978
- Gregory Sierra
- Â Carlos 'El Puerco' Valdez / ... 12 episodes, 1980-1981
- Nancy Dolman
- Â Annie Selig 11 episodes, 1980-1981
- Bob Seagren
- Â Dennis Phillips 11 episodes, 1977-1978
- Barbara Rhoades
- Â Maggie Chandler 10 episodes, 1980-1981
- Randee Heller
- Â Alice 9 episodes, 1979
- Caroline McWilliams
- Â Sally 9 episodes, 1978-1979
- Jesse Welles
- Â Gwen 9 episodes, 1980-1981
- Allan Miller
- Â Dr. Alan Posner 8 episodes, 1980
- Inga Swenson
- Â Ingrid Swenson / ... 8 episodes, 1978-1979
- Lynne Moody
- Â Polly Dawson 8 episodes, 1979-1980
- Charles Lane
- Â Judge Petrillo / ... 7 episodes, 1978
- Robert Urich
- Â Peter 'The Tennis Player' 8 episodes, 1977-1978
- Howard Hesseman
- Â Mr. Franklin 6 episodes, 1978
- Joe Mantegna
- Â Juan One 7 episodes, 1980-1981
- Candice Azzara
- Â Millie 6 episodes, 1979
- Frank Coppola
- Â Mel 5 episodes, 1978-1979
- Sheldon Feldner
- Â Perkins / ... 6 episodes, 1980-1981
- Kathryn Reynolds
- Â Claire 5 episodes, 1977-1978
- Jack Gilford
- Â Saul 5 episodes, 1979
- Edward Winter
- Â Congressman Walter McCallam 5 episodes, 1977-1978
- Peggy Pope
- Â Mrs. David 5 episodes, 1979-1980
- Granville Van Dusen
- Â Dr. Hill 5 episodes, 1980
- Rae Allen
- Â Judge Betty Small 4 episodes, 1980
- Richard Libertini
- Â The Godfather 4 episodes, 1977
- Michael Durrell
- Â F. Peter Haversham 4 episodes, 1980
- Richard McKenzie
- Â The Doctor / ... 4 episodes, 1979-1981
- Harold Gould
- Â Barney Gerber 4 episodes, 1977
- Doris Roberts
- Â Flo Flotsky 4 episodes, 1978
- Sorrell Booke
- Â Charles Lefkowitz 4 episodes, 1978
- Debbie Combs
- Â Nurse 4 episodes, 1980-1981
- Tim McIntire
- Â The Devil 3 episodes, 1979
- Michael Currie
- Â Governor 4 episodes, 1981
- Colleen Riley
- Â Gloria 3 episodes, 1980
- Royce Wallace
- Â Rose Coleman / ... 3 episodes, 1980
- Byron Webster
- Â Dr. Medlow 3 episodes, 1977-1978
- Ron Rifkin
- Â Dr. Kanter 3 episodes, 1978
- Ruth Cox
- Â Lisa 3 episodes, 1979
- Nita Talbot
- Â Mrs. Sheila Fine 3 episodes, 1977-1978
- Ian Wolfe
- Â Father Juniper / ... 3 episodes, 1977-1978
- Judith-Marie Bergan
- Â Marilyn McCallam 3 episodes, 1977-1978
- Brian Kale
- Â Emergency Doctor / ... 3 episodes, 1980-1981
- Greg Antonacci
- Â Dave 2 episodes, 1978
- George Wyner
- Â Dr. Rudolph 3 episodes, 1981
- Robert Englund
- Â Simon 3 episodes, 1979
- Fred Iwasaki
- Â The Chef / ... 3 episodes, 1978-1981
- Luis Avalos
- Â Gen. Sandia / ... 3 episodes, 1978-1981
- Ralph Manza
- Â Digger 3 episodes, 1981
- Udana Power
- Â Nurse Nancy Darwin 2 episodes, 1977
- Kene Holiday
- Â Eddie Coleman 2 episodes, 1980
- Jo de Winter
- Â The Doctor 2 episodes, 1978-1979
- Milt Oberman
- Â Harold Bronfman / ... 2 episodes, 1978
- Susan Harris
- Â Babette 2 episodes, 1978
- Marvin Braverman
- Â The Messenger 2 episodes, 1978
- Lee Bergere
- Â Anatole Martins 2 episodes, 1978
- Jay Garner
- Â Gene 2 episodes, 1981
- Laurie Faso
- Â Juan Two 2 episodes, 1981
- Hamilton Camp
- Â Elmore Tibbs 2 episodes, 1980-1981
- Chico MartÃnez
- Â Juan Three 2 episodes, 1981
- Scott Mulhern
- Â Roger / ... 2 episodes, 1979
- René Le Vant
- Â Guard 2 episodes, 1978
- Michael Fairman
- Â Lou 2 episodes, 1981
- Sarina C. Grant
- Â Nurse 2 episodes, 1980
- Jane Daly
- Â Midge-Ann 2 episodes, 1979
- Bruce French
- Â Hotel Clerk 1 episode, 1979
- Burton Gilliam
- Â Buck 2 episodes, 1979
- Kip Gilman
- Â Charlie / ... 2 episodes, 1979
- Barry Vigon
- Â Private Esquivo / ... 2 episodes, 1981
- Thomas Callaway
- Â Phillip 2 episodes, 1981
- Howard George
- Â Reporter #2 2 episodes, 1981
- Nancy Bond
- Â Nurse 2 episodes, 1981
- Karen Austin
- Â Chester's Woman 1 episode, 1979
- Earl Boen
- Â Dr. Drell 1 episode, 1981
- Kurtwood Smith
- Â Guy in Laundromat 1 episode, 1980
- John Hillerman
- Â Minister 1 episode, 1980
- Robert Costanzo
- Â Carny 1 episode, 1981
- J.J. Barry
- Â Godfather 1 episode, 1981
- Jerry Houser
- Â The Robber 1 episode, 1977
- Renny Temple
- Â Harlen Wisser 1 episode, 1979
- Sandra McCabe
- Â Shirley Slotnick Donohue 1 episode, 1980
- Beans Morocco
- Â Dr. Yalowich 1 episode, 1981
- Sandy Barry
- Â Girl in Towel 1 episode, 1981
- Brandy Carson
- Â Nurse 1 episode, 1977
- Mel Stewart
- Â Walter Coleman 1 episode, 1980
- Paul Avery
- Â Dr. Carlton 1 episode, 1980
- Herbie Braha
- Â Informer 1 episode, 1981
- Fred Smoot
- Â Fluffy 1 episode, 1981
- Alan Oppenheimer
- Â Mr. Kirby 1 episode, 1977
- Michael W. Schwartz
- Â Intern 1 episode, 1977
- J. Pat O'Malley
- Â Orville 1 episode, 1978
- Martin Ferrero
- Â Waiter 1 episode, 1979
- Richard Stahl
- Â Officer Hickey 1 episode, 1979
- Lew Palter
- Â Claude 1 episode, 1979
- Ross Borden
- Â Man in Towel 1 episode, 1981
- Lupe Ontiveros
- Â Lady in Airport 1 episode, 1978
- Alex Henteloff
- Â Mr. Peppy Flake 1 episode, 1978
- G.W. Bailey
- Â The Hobo 1 episode, 1979
- Nora Denney
- Â Miss Page 1 episode, 1979
- Hector Elias
- Â Federale 1 episode, 1979
- Ted Shackelford
- Â R.C. 1 episode, 1980
- John Fujioka
- Â Mr. Teshamado 1 episode, 1980
- Joseph V. Perry
- Â Mr. Phil 1 episode, 1980
- Macon McCalman
- Â Minister 1 episode, 1980
- David Hayward
- Â Slim 1 episode, 1980
- Olivia Barash
- Â Molly 1 episode, 1977
- Shelley Morrison
- Â The Maid 1 episode, 1977
- Stephen Mendillo
- Â Sheldon 1 episode, 1977
- Ernesto Macias
- Â Johnny Dallas 1 episode, 1977
- William Daniels
- Â Heinrich Himmel 1 episode, 1978
- Bernard Fox
- Â Randolph 1 episode, 1978
- Michael Conrad
- Â 'Boomer' David 1 episode, 1978
- Ellen Blake
- Â Lady on Phone 1 episode, 1978
- Wendell Wright
- Â Rodney Raisin 1 episode, 1978
- Mark Rhudy
- Â Cellkeeper 1 episode, 1979
- Frank Corsentino
- Â Tailor 1 episode, 1980
- Joshua Shelley
- Â Mr. Rosen 1 episode, 1980
- Lynnda Ferguson
- Â Hooker 1 episode, 1980
- Barbara Goodson
- Â Nurse 1 episode, 1981
- Marianne Bunch
- Â Pigeon 1 episode, 1977
- Dick McGarvin
- Â Dr. Resnick 1 episode, 1978
- Dick Miller
- Â The Guard 1 episode, 1979
- Charles Hallahan
- Â Lance 1 episode, 1979
- Richard Reicheg
- Â Bartender 1 episode, 1979
- Gary Epp
- Â Cowboy 1 episode, 1980
- Madelyn Cates
- Â Mrs. Helen Pfeiffer 1 episode, 1980
- H.B. Haggerty
- Â Warrior No. 1 1 episode, 1981
- Harrison Page
- Â Deputy Gilmore 1 episode, 1978
- Pierrino Mascarino
- Â Henchman 1 episode, 1978
- Danny Goldman
- Â Stenographer 1 episode, 1980
- John Clavin
- Â Mr. Pfeiffer 1 episode, 1980
- Stephanie Harker
- Â Hooker 1 episode, 1981
- Lee Weaver
- Â Sergeant 1 episode, 1978
- Cooper Neal
- Â Hello Man 1 episode, 1978
- Michael DeLano
- Â Reverend Sung 1 episode, 1979
- Maurice Marsac
- Â The Waiter 1 episode, 1979
- David Knapp
- Â Assistant D.A. Rollins 1 episode, 1980
- John Medici
- Â Waiter 1 episode, 1980
- George Wendt
- Â Counterman 1 episode, 1981
- Fred Stuthman
- Â Bishop 1 episode, 1981
- Bob Ari
- Â Vinnie 1 episode, 1981
- Joy Rinaldi
- Â Donna 1 episode, 1981
- Florence Halop
- Â Aunt Esther 1 episode, 1978
- Jeffrey Kramer
- Â Policeman #2 1 episode, 1978
- Charles Lucia
- Â Larry 1 episode, 1979
- Art LaFleur
- Â Bartender 1 episode, 1980
- James Saito
- Â Hiro 1 episode, 1981
- Anthony Charnota
- Â Hood 1 episode, 1981
- Edwin Owens
- Â Policeman #1 1 episode, 1978
- Kit McDonough
- Â Maxine 1 episode, 1979
- Tom Lawrence
- Â Shopper 1 episode, 1980
- Joel Brooks
- Â Morty Stevens 1 episode, 1981
- Raleigh Bond
- Â Oregon Senator 1 episode, 1981
- Richard Brestoff
- Â Makeup Man 1 episode, 1981
- Jonathan Terry
- Â Foreman 1 episode, 1978
- Ruth Silveira
- Â Shopper 1 episode, 1980
- Pat McNamara
- Â Chairman 1 episode, 1981
- Kopi Sotiropulos
- Â New York Senator 1 episode, 1981
- Kenneth Kimmins
- Â Blind Man 1 episode, 1980
- James MacKrell
- Â Anchorman 1 episode, 1981
- Don Starr
- Â Alabama Senator 1 episode, 1981
- John Terry
- Â Foreman 1 episode, 1978
- Bea Arthur
- Â Angel 1 episode, 1980
- James Hong
- Â Peking Tom 1 episode, 1981
- Jim Staahl
- Â Bigelow 1 episode, 1981
- Barbara Lang
- Â Pookie 1 episode, 1981
- Barbara Harris
- Â Nurse 1 episode, 1981
- Danny Jacobson
- Â Informer 1 episode, 1981
- Tom McGreevey
- Â Reporter #1 1 episode, 1981
- Marcus K. Mukai
- Â Ninja Guard 1 episode, 1981
- Paul Stolarsky
- Â Priest 1 episode, 1981
- Tim Rossovich
- Â Bodyguard / ... (uncredited) 3 episodes, 1978
- Jenna Kay Starr
- Â Wendy (uncredited) 3 episodes, 1979-1981
- Alan Dysert
- Â Best man at Tim's wedding (uncredited) 1 episode, 1978
- Cherie Darr
- Â Stewardess (uncredited) 1 episode, 1980
- Luis Contreras
- Â Hit Man No.1 (uncredited) 1 episode, 1981
- Steven Vincent Leigh
- Â Karate Fighter (uncredited) 1 episode, 1981