- Preston Foster
- Â Capt. John Herrick / ... 78 episodes, 1954-1955
- Douglas Dick
- Â Carl Herrick 35 episodes, 1954-1955
- Lois Moran
- Â May Herrick / ... 32 episodes, 1954-1955
- Willie Best
- Â Billy Slocum / ... 31 episodes, 1954-1955
- Harry Lauter
- Â Jim Herrick / ... 20 episodes, 1954-1955
- Jack Daly
- Â Herb 17 episodes, 1954-1955
- Kathleen Crowley
- Â Terry Van Buren 16 episodes, 1954-1955
- Ralph Dumke
- Â Zack Morgan / ... 11 episodes, 1954-1955
- George Chandler
- Â Mac Benson 10 episodes, 1954-1955
- Richard Travis
- Â Mike Walsh / ... 7 episodes
- Eddy Waller
- Â Jonathan Beale / ... 5 episodes, 1954
- Lyle Talbot
- Â Capt. Wyatt / ... 5 episodes, 1954-1955
- Pinky Tomlin
- Â Tip Hubbard / ... 5 episodes, 1954
- Dian Fauntelle
- Â Nancy Herrick 4 episodes, 1954
- David Saber
- Â Chuck Hobson / ... 4 episodes, 1954-1955
- Louis Jean Heydt
- Â Joe Johnson / ... 4 episodes, 1954
- Paul Bryar
- Â Gill Pegeen / ... 4 episodes, 1954-1955
- Frank Wilcox
- Â Henry Van Buren / ... 3 episodes, 1954
- Rhys Williams
- Â Carney / ... 3 episodes, 1955
- Peter J. Votrian
- Â Grandson Teddy / ... 3 episodes, 1954-1955
- Margaret Field
- Â Helen Henderson / ... 3 episodes, 1954
- Billy Chapin
- Â Teddy Herrick / ... 3 episodes, 1954
- Byron Keith
- Â Ed Davis / ... 3 episodes, 1955
- Paul Picerni
- Â Chris Piemental / ... 3 episodes, 1955
- Jan Shepard
- Â Betty Palmer / ... 3 episodes, 1955
- Ted de Corsia
- Â Dan Cord 3 episodes, 1954
- Allen Jenkins
- Â Sid / ... 3 episodes, 1954
- Harry Hickox
- Â Hoss / ... 3 episodes, 1955
- Steven Geray
- Â Captain Benedek / ... 3 episodes, 1954-1955
- Duncan Richardson
- Â Teddy / ... 3 episodes, 1954-1955
- Frieda Inescort
- Â Emily Van Buren 3 episodes, 1954
- Syd Saylor
- Â Wally / ... 3 episodes, 1954-1955
- Howard Price
- Â Olsen / ... 3 episodes, 1955
- George Eldredge
- Â Capt. Morgan / ... 2 episodes, 1954-1955
- Ralph Moody
- Â Capt. Ed Conway / ... 2 episodes
- Nancy Hale
- Â Anya Vasjec 2 episodes
- Carl Benton Reid
- Â Capt. Mark Taggert / ... 2 episodes, 1954-1955
- Robert Armstrong
- Â Clem Bartlett / ... 2 episodes, 1954
- Barry Kelley
- Â Kip Ralston / ... 2 episodes, 1954
- Ann Robinson
- Â Angela / ... 2 episodes, 1954
- Frances Bavier
- Â Amy Jackson / ... 2 episodes, 1954-1955
- Arthur Shields
- Â Jeff Hedges 2 episodes, 1954
- Nestor Paiva
- Â Capt. Manuel Silva / ... 2 episodes, 1954
- Tom Brown
- Â Fred Collins / ... 2 episodes, 1954
- Eugenia Paul
- Â Joy Garth / ... 2 episodes, 1955
- Charles H. Radilak
- Â Paul Zablowdowski / ... 2 episodes, 1954
- Gene Reynolds
- Â Bob Clark / ... 2 episodes, 1955
- Onslow Stevens
- Â Capt. Bart Hubbard / ... 2 episodes
- Roy Roberts
- Â Father Cassidy 2 episodes, 1954
- James Griffith
- Â Joe Swain / ... 2 episodes, 1954
- Raymond Hatton
- Â Tom Bailey 2 episodes, 1954
- Eugene Iglesias
- Â Meztizo / ... 2 episodes, 1954
- Myron Healey
- Â Chuck Evans / ... 2 episodes, 1955
- Adrienne Marden
- Â Mrs. O'Hara / ... 2 episodes, 1954
- Russ Conway
- Â Capt. Lansing / ... 2 episodes, 1954-1955
- John Bryant
- Â Dan Brennan / ... 2 episodes, 1954
- DeForest Kelley
- Â Bob Vogelin / ... 2 episodes
- John Zaremba
- Â Dolph Hines / ... 2 episodes
- Tyler McVey
- Â Parrington / ... 2 episodes
- Frank Jenks
- Â Frank Jenkins 2 episodes, 1954-1955
- Robert Foulk
- Â Capt. Gunderson / ... 2 episodes, 1954
- William 'Bill' Phillips
- Â Pete / ... 2 episodes, 1954
- John Larch
- Â Kirk / ... 2 episodes, 1954
- Charles Evans
- Â Donohue / ... 2 episodes, 1954
- Anthony George
- Â Ryaman / ... 2 episodes, 1955
- Jess Kirkpatrick
- Â Cliff / ... 2 episodes, 1955
- Charles Smith
- Â Chet 2 episodes, 1954
- William 'Billy' Benedict
- Â Deckhand / ... 2 episodes, 1954
- Art Gilmore
- Â Officer / ... 2 episodes
- Jim Hayward
- Â Cowling / ... 2 episodes, 1954
- Jack Holland
- Â Beach Club Clerk / ... 2 episodes, 1954
- Leo Gordon
- Â Alec / ... 2 episodes, 1955
- Ted Stanhope
- Â Mr. Burgess / ... 2 episodes
- Ernest Borgnine
- Â Jack Bannion 2 episodes, 1954
- Norman Leavitt
- Â Slim 2 episodes, 1954
- Stuart Randall
- Â Tom Harrison 2 episodes, 1954
- John Wilder
- Â Danny Neal / ... 1 episode, 1955
- Skip Homeier
- Â Tommy Grove 1 episode, 1954
- Barton MacLane
- Â McClurg 1 episode, 1954
- Dick Foran
- Â Bill Borden 1 episode, 1955
- Charles Bronson
- Â Danny Cook aka Bob Hayden 1 episode
- Harry Carey Jr.
- Â Roy Walker 1 episode
- Ian Wolfe
- Â Harry Willis 1 episode
- Osa Massen
- Â Karen Marsh 1 episode
- Marie Windsor
- Â Marie Turner 1 episode, 1954
- Edgar Buchanan
- Â Oscar Hanline 1 episode, 1954
- Biff Elliot
- Â Rig Carter 1 episode, 1954
- Dwayne Hickman
- Â Davie Bender 1 episode, 1955
- William Forrest
- Â Harry Baker Sr. 1 episode, 1955
- Bobby Clark
- Â Joey Allen 1 episode, 1955
- Connie Gilchrist
- Â Louise 'Lou' Brown 1 episode, 1955
- Michael Emmet
- Â Lt. Gene Driscoll 1 episode, 1955
- Dabbs Greer
- Â Phil Harvey 1 episode
- Argentina Brunetti
- Â Mama Ferrera 1 episode
- Susan Cummings
- Â Teddy Thayer 1 episode
- Douglas Fowley
- Â Al Jessup 1 episode
- Don Beddoe
- Â Ole Chistianson 1 episode
- Frank Puglia
- Â Tio Paredas 1 episode
- Ed Kemmer
- Â Jeff Morgan 1 episode
- Stephen Bekassy
- Â Leo Narek 1 episode
- Thomas E. Jackson
- Â Pop Hartley 1 episode
- John Dehner
- Â Al Catania 1 episode, 1954
- Virginia Grey
- Â Linda Talmadge 1 episode, 1954
- Taylor Holmes
- Â George Barron 1 episode, 1954
- Jack Lambert
- Â Andrews 1 episode, 1954
- James Bell
- Â Mike Corning 1 episode, 1954
- Mae Clarke
- Â Harriet Barneby 1 episode, 1954
- Walter Reed
- Â Harvey Maxwell 1 episode, 1954
- Wally Cassell
- Â Mike Tanner 1 episode, 1954
- Martin Garralaga
- Â Alfredo Volente 1 episode, 1954
- William Schallert
- Â Wayne Mosby 1 episode, 1955
- Doris Lloyd
- Â Celia Jackson 1 episode, 1955
- Helen Westcott
- Â Florence Gilroy 1 episode, 1955
- William Bryant
- Â Stanwhite 1 episode, 1955
- Angela Greene
- Â Betsy Driscoll 1 episode, 1955
- Minor Watson
- Â Charlie Elgin 1 episode, 1955
- Jeffrey Silver
- Â Harry Baker Jr. 1 episode, 1955
- Forrest Taylor
- Â Si Walker 1 episode, 1955
- Kem Dibbs
- Â Ivan Jarecki 1 episode, 1955
- Darryl Hickman
- Â Charlie Burke 1 episode
- Ann Doran
- Â Lorraine 1 episode
- John Baer
- Â Porter 1 episode
- Toni Gerry
- Â Sally Jessup 1 episode
- Brett Halsey
- Â Darryl Benson 1 episode
- Randy Stuart
- Â Alma Harvey 1 episode
- Arthur Franz
- Â Pete Wilson 1 episode
- Lane Chandler
- Â Tim Blevin 1 episode
- Robert Arthur
- Â Mark Hubbard 1 episode
- Tudor Owen
- Â Capt. Toby Meyers 1 episode
- Ian Keith
- Â Captain Rameau 1 episode
- Erin O'Brien-Moore
- Â Kate Farnum 1 episode
- Christian Drake
- Â Tony 1 episode
- Don Hayden
- Â Alfred Swanson 1 episode
- Wallis Clark
- Â Frank Severn 1 episode
- Donna Drew
- Â Joan Wesley 1 episode
- Larry Crane
- Â Miguel 1 episode
- Jeff Donnell
- Â Marilyn Carr 1 episode, 1954
- Carl Betz
- Â Dave Herrick 1 episode, 1954
- Lela Bliss
- Â Jessica Morgan 1 episode, 1954
- Alan Reed
- Â Mr. Lazaaro 1 episode, 1954
- Steve Brodie
- Â First Mate Buck Robbins 1 episode, 1954
- Murvyn Vye
- Â George Cadogan 1 episode, 1954
- Clark Howat
- Â Lloyd Allen 1 episode, 1954
- Walter Sande
- Â Captain Lars Swenson 1 episode, 1954
- King Donovan
- Â Vince Beloze 1 episode, 1954
- Claudia Barrett
- Â Sally Mason 1 episode, 1954
- Robert Osterloh
- Â Marty Blye 1 episode, 1954
- Wilton Graff
- Â Roger Morton 1 episode, 1954
- Nacho Galindo
- Â Glass Blower 1 episode, 1954
- Howard McNear
- Â Mike Baxter 1 episode, 1955
- Mort Mills
- Â Darby 1 episode, 1955
- Paul Richards
- Â Waldron 1 episode, 1955
- John Alvin
- Â Joe Martin 1 episode, 1955
- Fred Sherman
- Â Charlie 1 episode, 1955
- Harry Tyler
- Â Jeff Simpson 1 episode, 1955
- Herb Vigran
- Â Craig 1 episode
- Erville Alderson
- Â Pop 1 episode
- Byron Foulger
- Â Harold Evans 1 episode
- Lillian Bronson
- Â Mrs. Anderson 1 episode
- Mira McKinney
- Â Cora Henderson 1 episode
- Eilene Janssen
- Â Mike Borer 1 episode
- Maria Palmer
- Â Selene Anders 1 episode
- Jean Howell
- Â Peggy Laughlin 1 episode
- Anne Kimbell
- Â Roberta March 1 episode
- Rolfe Sedan
- Â Dr. Perkins 1 episode
- Gil Frye
- Â Freighter officer 1 episode
- Sydney Mason
- Â Ed Barton 1 episode
- Lilian Fontaine
- Â Helen Martin 1 episode
- Maura Murphy
- Â Sally Marshall 1 episode
- Nyra Monsour
- Â Rita Piemental 1 episode
- Alan Harris
- Â Pete Bradley 1 episode
- John Hoyt
- Â Thomas 1 episode, 1954
- Ray Teal
- Â Anthony Carr 1 episode, 1954
- James Anderson
- Â Thief 1 episode, 1954
- Kurt Katch
- Â Capt. Guseva 1 episode, 1954
- Horace McMahon
- Â Max Hodge 1 episode, 1954
- Leonard Penn
- Â Gerald Rogers 1 episode, 1954
- Dayton Lummis
- Â Capt. Turner 1 episode, 1954
- Meg Randall
- Â Claire Collins 1 episode, 1954
- Jeri Lou James
- Â Ellen Corbin 1 episode, 1954
- William Pullen
- Â Immigration Officer 1 episode, 1954
- Hugh Sanders
- Â Bob Jordan 1 episode, 1955
- Dick Curtis
- Â Glen Rayburn 1 episode, 1955
- Peter Coe
- Â Gruller 1 episode, 1955
- Sol Gorss
- Â Poker Player 1 episode, 1955
- Mary Carroll
- Â Emma 1 episode, 1955
- John Hiestand
- Â Sam Jordan 1 episode, 1955
- Jim Brandt
- Â Bill 1 episode, 1955
- Grady Sutton
- Â Ramsdale 1 episode
- Dick Simmons
- Â Jaye Thornton 1 episode
- Jay Novello
- Â The Man 1 episode
- Robert F. Simon
- Â Inspector Miller 1 episode
- Harlan Warde
- Â Warrant Officer 1 episode
- Sidney Clute
- Â Joe Simpson 1 episode
- Richard Benedict
- Â Cal Evans 1 episode
- Thomas Browne Henry
- Â Dr. Adams 1 episode
- Simon Scott
- Â CPO Foster 1 episode
- Don C. Harvey
- Â Gordon 1 episode
- Peter Leeds
- Â Morse 1 episode
- David Bruce
- Â Sam Ford 1 episode
- Glenn Langan
- Â Daniels 1 episode
- Raymond Greenleaf
- Â Stanton 1 episode
- Everett Glass
- Â Capt. Macklin 1 episode
- Nancy Evans
- Â Nurse Jackson 1 episode
- Hugh Beaumont
- Â Roy Martin 1 episode, 1954
- Victor Sen Yung
- Â Cecil Imai 1 episode, 1954
- Carleton Young
- Â Dr. Peters 1 episode, 1954
- Howard Petrie
- Â Hugh Perry 1 episode, 1954
- Otto Waldis
- Â Capt. Sabarov 1 episode, 1954
- Robert Carson
- Â Capt. Walsh 1 episode, 1954
- Ken Terrell
- Â Frank Miller 1 episode, 1954
- Gladys Hurlbut
- Â Sally Barron 1 episode, 1954
- Joel Marston
- Â Earl Troga 1 episode, 1954
- Bob Carraher
- Â Policeman 1 episode, 1954
- John Hedloe
- Â Sentry 1 episode, 1954
- Dean Cromer
- Â Harry McLean 1 episode, 1954
- Richard James
- Â Marty 1 episode, 1955
- Maudie Prickett
- Â Essie Twill 1 episode
- Ross Elliott
- Â Reece 1 episode
- Vic Perrin
- Â Milt Reese 1 episode
- Peter Adams
- Â Victor Anders 1 episode
- Ray Montgomery
- Â Ted Clay 1 episode
- Robert Nichols
- Â Peter Brown 1 episode
- Lewis Martin
- Â Mike Alcott 1 episode
- Rick Vallin
- Â Blake 1 episode
- Steve Pendleton
- Â Malcolm 1 episode
- Danni Sue Nolan
- Â Edna Collins 1 episode
- Gabriel Curtiz
- Â Captain Garan 1 episode
- John Mooney
- Â Police Officer 1 episode
- Jeff York
- Â Joe Crandall 1 episode, 1954
- Richard Reeves
- Â Stanton 1 episode, 1954
- Kathryn Card
- Â Mrs. Julia Randall 1 episode, 1954
- Tristram Coffin
- Â Commodore 1 episode, 1954
- Robert Burton
- Â Harris 1 episode, 1954
- William Haade
- Â Harry Marble 1 episode, 1954
- Roy Gordon
- Â Harvey Blake 1 episode, 1954
- Ralph Peters
- Â Dudley 1 episode, 1954
- Joseph Vitale
- Â Tut Blake 1 episode, 1954
- Weaver Levy
- Â Watanabe 1 episode, 1954
- Elsie Baker
- Â Mrs. Potter 1 episode, 1954
- Richard Bartell
- Â Bob Ferris 1 episode, 1954
- Dennis Moore
- Â FBI Agent Martin 1 episode, 1955
- Paul Sorensen
- Â Crewman 1 episode
- Alan Dexter
- Â Steve 1 episode
- Stan Malotte
- Â Paul 1 episode
- Don Hix
- Â Sam 1 episode
- Richard Nelson
- Â Healey 1 episode
- Al Bridge
- Â Pete 1 episode, 1954
- Stanley Andrews
- Â Captain Allen 1 episode, 1954
- James Parnell
- Â Herman 1 episode, 1954
- William Challee
- Â Mr. Hobson 1 episode, 1954
- G. Pat Collins
- Â Fire Chief 1 episode, 1954
- Paul McGuire
- Â Lt. Saunders 1 episode, 1954
- Zacharias Yaconelli
- Â Barber 1 episode, 1954
- William Fawcett
- Â Higgins 1 episode
- Emil Sitka
- Â Vince 1 episode
- Paul Dubov
- Â Joe Cracken 1 episode
- Barbara Wooddell
- Â Mrs. Crawford 1 episode
- David McMahon
- Â Pete 1 episode
- John Logan
- Â Homer 1 episode
- John Doucette
- Â Ward Cowling 1 episode, 1954
- James Flavin
- Â Port Warden Fuller 1 episode, 1954
- George Lloyd
- Â Customer 1 episode, 1954
- Rodney Bell
- Â Father Carlson 1 episode, 1954
- Bernie Gozier
- Â Mexican Deckhand 1 episode, 1954
- Don Mcart
- Â Messenger 1 episode, 1954
- Cindy the Chimp
- Â The Chimp 1 episode, 1954
- Hy Anzell
- Â Nagy 1 episode
- Max Wagner
- Â Isabel Deckhand 1 episode, 1954
- John Cliff
- Â Tully 1 episode, 1954
- Frank J. Scannell
- Â Bartender 1 episode, 1954
- Kay Riehl
- Â Mrs. Burgess 1 episode
- Jack Elam
- Â Britt 1 episode, 1954
- Stephanie Foster
- Â Sally Stratton 1 episode, 1954
- Percy Helton
- Â Clerk 1 episode
- Lee Van Cleef
- Â Ed 1 episode, 1954
- Lucy Hirt
- Â Boys Choir Director 1 episode, 1954
- Robin Sanders Clark
- Â Butler 1 episode, 1954
- Molly Glessing
- Â Maid 1 episode, 1954
- Voltaire Perkins
- Â Ship's Captain 1 episode, 1954
- Jesslyn Fax
- Â Housekeeper 1 episode
- Frank Hagney
- Â Andrews' Friend (uncredited) 1 episode, 1954
- Chet Brandenburg
- Â Dock Worker (uncredited) 1 episode, 1954
- Wally Rose
- Â 1st Henchman (uncredited) 1 episode, 1954
- Spencer Chan
- Â Hikado (uncredited) 1 episode, 1954
- Lee Erickson
- Â Frankie (uncredited) 1 episode, 1954
- Bert LeBaron
- Â 2nd Henchman (uncredited) 1 episode, 1954
- Nancy Lauter
- Â Girl (uncredited) 1 episode, 1955
- Tommy the Seal
- Â The Seal (uncredited) 1 episode, 1955
- John Deering
- Â Jimmy Allen (uncredited) 1 episode
