- Ana Alicia - Gloria Alonzo
- Sharon Acker - Anne
- Judith Chapman - Angela
- Pamela Susan Shoop - Dorothy Carlyle
- William Daniels - Norman Blore
- Robert Reed - Dr. Donald Mortinson
- Billy Jayne - Tucker
- Dana Elcar - John Steadman
- Allan Miller - Colonel Jack Sydell
- Gary Owens - Cy (voice)
- Dirk Benedict - Lieutenant Starbuck
- Joaquin Garay III - Chris Alonzo
- Dennis Haysbert - Imperious Leader (voice)
- Christopher Stone - Major Stockwell
- Heather Young - Star
- William Cort - Trent
- Roger Davis - Andromus
- Jeremy Brett - Commander Xaviar / Lieutenant Nash
- Richard Eastham - Gen. Cushing
- Vernon Weddle - Cop
- David Moses - Cop
- Brion James - Willy
- Mickey Jones - Donzo
- Douglas Bruce - Pilot
- Eddie Firestone - Derelict
- Frank Downing - Guard
- Don Maxwell - Guard
- Bruce Wright - Aide
- John Zenda - Cop
- Michael Swan - Deputy Collins
- Eric Forst - German Officer
- Erik Holland - German Officer
- Todd Martin - German Officer
- Richard Lynch - Commander Xavier
- Adam Farrar - Willie Griffin
- Duncan MacKenzie - Pilot
- Duncan MacKenzie - Guard
- Albert Paulsen - General Yodel
- Louis Turenne - Colonel Werner
- Michael Strong - Resistance Leader / The Old Man
- Ted Gehring - Sheriff
- James R. Parkes - Walt Griffin
- Hank Brandt - Colonel
- Curt Lowens - German Commander
- Doug Hale - Air Force Major
- Ray Duke - Newspaper Boy
- Melissa Francis - Little Girl
- Jack Ging - Collins
- Simon Scott - Captain
- Caroline Smith - Bank Teller
- Ken Scott - Co-Pilot
- Helen Page Camp - Saleslady
- George DelHoyo - Dr. Spencer
- John Quade - Sheriff Ellsworth
- Mike Kellin - John Stockton
- Carlene Watkins - Nurse Valerie
- Paul Koslo - Billy Eheres
- Bert Rosario - Hal
- Fred Holliday - Mr. Brooks
- Marla Heasley - Lieutenant Trent
- Sheila Wills - Stewardess
- René Le Vant - First Officer
- Eric Taslitz - Jason
- Eric Taslitz - Super Scout
- Ed Griffith - Second Officer
- Jed Mills - Cabbie
- Peter Mark Richman - Colonel Briggs
- Peter Mark Richman - Col. Briggs
- Wolfman Jack - Wolfman Jack
- Wolfman Jack - Wolfman Jack (voice)
- Jerry Supiran - Super Scout
- Marj Dusay - Mildred
- Lara Parker - Shirley Blore
- Val Bisoglio - Arnie
- Bernie Hamilton - Police Chief
- Ken Lynch - Grover
- Arthur Batanides - Cabbie
- Herb Vigran - Pop
- John Widlock - Chuck
- Dan Ferrone - Police Sergeant
- Paul Tuerpe - Fireman
- Georgi Irene - Sunshine
- Georgi Irene - Super Scout
- Cosie Costa - Mugger
- Anna Navarro - Louise Alonzo
- Bill McKinney - Barrett
- Ned Romero - Hector Alonzo
- Booth Colman - Rogers
- Andy Jarrell - Maze
- Philip Levien - Dante
- Gordon Haight - Deacon
- Rex Cutter - Centurion
- Rex Cutter - Cy
- Herbert Jefferson Jr. - Colonel Boomer
- Tracy Justrich - Starla
- Lindsay Kennedy - Super Scout
- Mark Jones
- Glen A. Larson
Brion James interpreta a Willy en la serie.
Ken Lynch interpreta a Grover en la serie.
Dennis Haysbert hace el papel de Imperious Leader (voice).
Kent McCord interpreta a Capt. Troy en la serie.
Barry Van Dyke hace el papel de Lt. Dillon.
Robyn Douglass interpreta a Jamie Hamilton en la serie.
Lorne Greene hace el papel de Commander Adama.
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