- Wendell Corey
- Â Captain Ralph Baxter 39 episodes, 1957-1958
- Bill Baldwin
- Â Narrator 37 episodes, 1957-1958
- Casey Walters
- Â Sgt. Jim Warren 37 episodes, 1957-1958
- Clark Howat
- Â Police Dispatcher 15 episodes, 1957-1958
- Byron Keith
- Â Dispatcher / ... 5 episodes, 1957-1958
- Harry Mondfrans
- Â Officer Harry / ... 5 episodes, 1958
- Dean Berg
- Â Harbor Command Officer / ... 4 episodes, 1957-1958
- Richard O'Brien
- Â Capt. Hardesty / ... 3 episodes, 1957-1958
- Troy Melton
- Â Officer Turner / ... 3 episodes, 1957-1958
- Joe Miksak
- Â Bailey, Dispatcher / ... 3 episodes, 1957-1958
- Steve Mitchell
- Â Accomplice / ... 2 episodes, 1957-1958
- Dale Van Sickel
- Â Henry Judson / ... 2 episodes, 1957
- Marx Hartman
- Â Captain Berger / ... 2 episodes, 1958
- John Pettit
- Â Captain / ... 2 episodes, 1958
- Thomas E. Jackson
- Â Jennings / ... 2 episodes, 1957-1958
- Dick Bernie
- Â Frank / ... 2 episodes, 1957-1958
- Carl Arnold
- Â Scudder / ... 2 episodes, 1958
- Robert Brubaker
- Â Scientist / ... 2 episodes, 1957
- John Vick
- Â Dispatcher / ... 2 episodes, 1958
- Paul Harber
- Â Dispatcher / ... 2 episodes, 1957-1958
- Sydney Chatton
- Â Charlie Harmon / ... 2 episodes, 1957-1958
- Eddie Bartell
- Â Hotel Clerk / ... 2 episodes, 1957-1958
- Dave Allen
- Â Joe Sandy 2 episodes, 1957-1958
- William Bryant
- Â Frank Holzer 1 episode, 1957
- Billy Nelson
- Â Dolph Bentley 1 episode, 1957
- Gene Roth
- Â Rawley 1 episode, 1957
- Sydney Smith
- Â Lt. Williams 1 episode, 1957
- Larry Thor
- Â Police Lt. Crowley 1 episode, 1957
- George Cisar
- Â Danner 1 episode, 1957
- Ken Drake
- Â Frank Chaney 1 episode, 1957
- Mauritz Hugo
- Â John Pickett 1 episode, 1957
- Max Palmer
- Â J. Nicholas Finn 1 episode, 1957
- Len Hendry
- Â Nick Ferris 1 episode, 1957
- Robert Shield
- Â FBI Agent Crane 1 episode, 1957
- Michael Bryant
- Â Smuggler 1 episode, 1957
- Cynthia Chenault
- Â Carol Blaine 1 episode, 1958
- Brett Halsey
- Â Paul Garland 1 episode, 1958
- Robert Clarke
- Â Dan Morton 1 episode, 1958
- Cheerio Meredith
- Â Ma Sperling 1 episode, 1958
- Pamela Duncan
- Â Valerie Dehner 1 episode, 1958
- William Henry
- Â Lynch 1 episode, 1958
- Herschel Bernardi
- Â Turk Savage 1 episode, 1958
- Rayford Barnes
- Â Frank Sherman 1 episode, 1958
- Don C. Harvey
- Â Fire Chief Nelson 1 episode, 1958
- Earle Hodgins
- Â Pop Cates 1 episode, 1958
- John Dennis
- Â Mel Barnes 1 episode, 1958
- Cece Whitney
- Â Betty Lacentra 1 episode, 1958
- Richard Benedict
- Â Arnold Freeman 1 episode, 1958
- George Selk
- Â Capt. Norman Ames 1 episode, 1958
- James Nolan
- Â Treasury Agent 1 episode, 1958
- Brett King
- Â Bill Garrison 1 episode, 1958
- John Vivyan
- Â Leon Faulkner 1 episode, 1958
- Jack Reitzen
- Â Joseph 'Biggy' Myers 1 episode, 1958
- Jack Littlefield
- Â Harry Carter 1 episode, 1958
- Carlyle Mitchell
- Â John Panamera 1 episode, 1958
- Tommy Morton
- Â Thomas Redman 1 episode, 1958
- Joel Ashley
- Â Tom Mitchell 1 episode, 1958
- Jack Edwards
- Â Larry Davis 1 episode, 1958
- Richard Vath
- Â Frank Ryan 1 episode, 1958
- Harold Dyrenforth
- Â Franz Mayerling 1 episode, 1958
- Lawrence Green
- Â Pete Seguras 1 episode, 1958
- Charles Maxwell
- Â Assassin 1 episode, 1957
- Charles Wagenheim
- Â Peter Bagley 1 episode, 1957
- K.L. Smith
- Â Robert Hayes 1 episode, 1957
- Ken Mayer
- Â Sharkey 1 episode, 1957
- John Close
- Â Leo Karp 1 episode, 1957
- Don Eitner
- Â Ted Watson 1 episode, 1957
- Jack Mather
- Â Becker 1 episode, 1957
- Freeman Lusk
- Â Chester Ludwig 1 episode, 1957
- Moody Blanchard
- Â Lefty Joe Harcourt 1 episode, 1957
- Walter Kray
- Â Joe Kelly 1 episode, 1957
- Michael Fox
- Â Pete Jackson 1 episode, 1958
- Gary Vinson
- Â Pat Duran 1 episode, 1958
- Jack Hogan
- Â Jake 1 episode, 1958
- Lilyan Chauvin
- Â Anna Meyerling 1 episode, 1958
- William Hudson
- Â Frank Carson 1 episode, 1958
- Raymond Hatton
- Â Pop Masters 1 episode, 1958
- Robert Swan
- Â Charles Ross 1 episode, 1958
- Al Hopson
- Â Bill Brown 1 episode, 1958
- Thom Carney
- Â Dick Park 1 episode, 1958
- Marjorie Stapp
- Â Landlady 1 episode, 1958
- Michael Garth
- Â Steve Kemper 1 episode, 1958
- Richard Emory
- Â Lt. Jay 1 episode, 1958
- Maida Severn
- Â Gracie Ames 1 episode, 1958
- Alan Reynolds
- Â Roger Phillips 1 episode, 1958
- Darlene Albert
- Â Phyllis Vanders 1 episode, 1958
- Jack Harris
- Â Dr. Vanders 1 episode, 1958
- John Compton
- Â Jack Chavelle 1 episode, 1958
- Preston Hanson
- Â Hendricks 1 episode, 1958
- Neil Grant
- Â Frank Panamera 1 episode, 1958
- William Flaherty
- Â Accomplice 1 episode, 1958
- Del Courtney
- Â Dr. Albert Ritter 1 episode, 1958
- Richard Hervey
- Â Mr. Dehner 1 episode, 1958
- Constance Cameron
- Â Hedy White 1 episode, 1958
- Bing Russell
- Â Jim 1 episode, 1957
- Paul Maxwell
- Â Tom Gorman 1 episode, 1957
- Nicky Blair
- Â Tommy 1 episode, 1957
- Chuck Webster
- Â Newspaper Reporter Al 1 episode, 1957
- Joan Marshall
- Â Janet Hurley 1 episode, 1958
- Joyce Meadows
- Â Jane Kimberly 1 episode, 1958
- Kaye Elhardt
- Â Ellen Leeds 1 episode, 1958
- William Swan
- Â Lieutenant 1 episode, 1958
- Regina Gleason
- Â Rosie 1 episode, 1958
- Patrick Waltz
- Â Officer Bryan 1 episode, 1958
- Maurice Argent
- Â Gregory Cariff 1 episode, 1958
- Donna Jo Boyce
- Â Sue Adams 1 episode, 1958
- Keith Vincent
- Â Ben Masters 1 episode, 1958
- Robert Riordan
- Â Agent Jim Graves 1 episode, 1958
- Bruce Wendell
- Â Hannick 1 episode, 1958
- William McGraw
- Â Turk 1 episode, 1958
- Ginger Hall
- Â Alice Norman 1 episode, 1958
- Arthur Lovejoy
- Â George Hanford 1 episode, 1958
- Paul Gary
- Â Ted 1 episode, 1958
- Pamela Adams
- Â Mrs. Morgan 1 episode, 1958
- Diane Brewster
- Â Marie 1 episode, 1957
- Ed Nelson
- Â Arrested Craps Game Participant 1 episode, 1957
- Eve Brent
- Â Lana 1 episode, 1957
- Douglas Henderson
- Â Agent 1 episode, 1957
- George Eldredge
- Â Burke 1 episode, 1957
- Ray Foster
- Â Second Mate Pearson 1 episode, 1957
- Victor Paulsen
- Â Hank 1 episode, 1957
- Leonard Nimoy
- Â Fred Garrison 1 episode, 1958
- Ray Kellogg
- Â Pete Matthews 1 episode, 1958
- Natividad VacÃo
- Â Luis Andrade 1 episode, 1958
- Joan Lora
- Â Gloria aka Jane 1 episode, 1958
- Joseph Hamilton
- Â Oen Kimberly 1 episode, 1958
- Ray Boyle
- Â Alan Hurley 1 episode, 1958
- Gregg Barton
- Â Dr. Hartman 1 episode, 1958
- Paul Power
- Â Kellson 1 episode, 1958
- Jean Harvey
- Â Etta Ritter 1 episode, 1958
- Glen Gordon
- Â Mr. Blaine 1 episode, 1958
- Jack Lester
- Â Ansom 1 episode, 1958
- Robert Tetrick
- Â Tony Mora 1 episode, 1958
- Bill Cassady
- Â Graham Leeds 1 episode, 1958
- Jane Chang
- Â Jane Lee 1 episode, 1958
- Jack Haddock
- Â Sam Pearson 1 episode, 1958
- Jeanne Neilson
- Â Mrs. Feeney 1 episode, 1958
- Jim Hayward
- Â Pop 1 episode, 1957
- William Vaughn
- Â Mario Savalas 1 episode, 1957
- Jean Ruth
- Â Jeanne Gorman 1 episode, 1957
- John Sorrentino
- Â Police Dispatcher 1 episode, 1957
- Bob Wehling
- Â Dock Worker 1 episode, 1957
- Myrna Fahey
- Â Vivian Garland 1 episode, 1958
- Peter Marshall
- Â Pinkey Parker 1 episode, 1958
- Paul Cavanagh
- Â Otis Foreman 1 episode, 1958
- Dennis Moore
- Â Kelly 1 episode, 1958
- Harry Strang
- Â Harry - Counterman 1 episode, 1958
- Harry Fleer
- Â Jess Perrin 1 episode, 1958
- Theodore Lehmann
- Â Sid Canby 1 episode, 1958
- Norman Sturgis
- Â Reporter 1 episode, 1958
- Cornelius Keefe
- Â Joe Sculley 1 episode, 1958
- Thomas Wilde
- Â Mr. Reed 1 episode, 1958
- Leo Needham
- Â Captain Nelson 1 episode, 1958
- Mark Dunhill
- Â Miogo 1 episode, 1958
- Tom Charlesworth
- Â Mr. Morgan 1 episode, 1958
- Douglas Dunlop
- Â Tommy Ritter 1 episode, 1958
- Bruce Cooper
- Â Doctor 1 episode, 1958
- Larry J. Blake
- Â Harper 1 episode, 1957
- Jamie Forster
- Â Jess Tully 1 episode, 1957
- Vance Skarstedt
- Â Officer Pat Donnelly 1 episode, 1957
- Tom Dillon
- Â Wells 1 episode, 1957
- Craig Duncan
- Â Watchman 1 episode, 1957
- James Logan
- Â John Lambert 1 episode, 1957
- Lee Rhodes
- Â Robert Bolton 1 episode, 1957
- Leslie Abbott
- Â Pete 1 episode, 1957
- Carolyn Ruth Pettit
- Â Judy 1 episode, 1957
- Orville Sherman
- Â Arthur Sandoval 1 episode, 1958
- Leon Alton
- Â Night Watchman 1 episode, 1958
- George Douglas
- Â Inspector Dobkin 1 episode, 1958
- Tony Michaels
- Â Bruno Haggerty 1 episode, 1958
- William Meigs
- Â Max 1 episode, 1958
- Ted Jacques
- Â Joe 1 episode, 1958
- Richard Warren
- Â Andy 1 episode, 1958
- Tony Cort
- Â Sam Lennart 1 episode, 1958
- James Cotten
- Â Louie 1 episode, 1958
- Hank Travers
- Â Bill Hendry 1 episode, 1958
- John Douglas
- Â Doug 1 episode, 1958
- Lynn Marshall
- Â Cathy Morgan 1 episode, 1958
- Lee Jefferson
- Â Tommy's friend 1 episode, 1958
- William Boyett
- Â Sgt. Geary 1 episode, 1957
- Frank Biro
- Â Boat Owner 1 episode, 1957
- Joey Ray
- Â Van Dyke 1 episode, 1957
- Tony Rock
- Â Frank St. Angelo 1 episode, 1957
- Gerald Frank
- Â Jarvis 1 episode, 1957
- William Bakewell
- Â Officer Maxwell 1 episode, 1958
- Scotty Morrow
- Â Victor Mayerling 1 episode, 1958
- Harry Holcombe
- Â Commodore 1 episode, 1958
- Pierce Lyden
- Â Simpson 1 episode, 1958
- Lester Dorr
- Â Mr. Jackson 1 episode, 1958
- Hal Taggart
- Â Records Clerks 1 episode, 1958
- David Leland
- Â Informant 1 episode, 1958
- George Becwar
- Â Man With Boat 1 episode, 1958
- Bob Duggan
- Â Tommy 1 episode, 1958
- Robert Lynn
- Â Mr. Wagner 1 episode, 1958
- Victor Hinojosa
- Â Lucido Andrade 1 episode, 1958
- William Niemi
- Â Bill 1 episode, 1958
- Bernie Marcus
- Â Pat Harrington 1 episode, 1958
- Stuart Whitman
- Â Policeman Talking into Car Radio 1 episode, 1957
- N.J. Davis
- Â Andrews 1 episode, 1957
- Ronnie Schell
- Â Pat's friend 1 episode, 1958
- Harold Goodwin
- Â Capt. Gates 1 episode, 1958
- Ollie O'Toole
- Â Agent Allan Brown 1 episode, 1958
- William A. Forester
- Â Mr. Stewart 1 episode, 1958
- James Waters
- Â Ed Huffman 1 episode, 1958
- Bobby Byles
- Â Room Clerk 1 episode, 1958
- Glen Kramer
- Â Frank Kloss 1 episode, 1958
- Charlie Crafts
- Â Donald 1 episode, 1958
- Roberto Piperio
- Â Bender 1 episode, 1958
- Kay Bell
- Â Mortimer 1 episode, 1958
- Jack Battle
- Â Dispatcher 1 episode, 1958
- Al Covaii
- Â Motorist 1 episode, 1958
- Gene Walker
- Â Porter 1 episode, 1957
- Ben Rombouts
- Â Jitts 1 episode, 1957
- Roger Barrett
- Â Hank Evans 1 episode, 1958
- Joel Riordan
- Â George Cooper 1 episode, 1958
- John Murphy
- Â Officer Beebe 1 episode, 1958
- Larry Bracken
- Â Perry Gilbert 1 episode, 1958
- Michael Moros
- Â Officer 1 episode, 1958
- Treece Desanctis
- Â Mrs. Manners 1 episode, 1958
- Marie Johnson
- Â Mrs. Bayliss 1 episode, 1958
- Charles Zacha Jr.
- Â McCord 1 episode, 1957
- Gene Foster
- Â Security Guard 1 episode, 1958
- Barry Russo
- Â Taxi Boat Pilot (uncredited) 1 episode, 1957
- George DeNormand
- Â Harbor Command Officer (uncredited) 1 episode, 1957
- Mathew McCue
- Â Pusher (uncredited) 1 episode, 1958
- Fred Aldrich
- Â Diner Patron (uncredited) 1 episode, 1958
- Dick Johnstone
- Â Man in Mission (uncredited) 1 episode, 1958
