*Gil Gerard as Capt. William "Buck" Rogers
- Erin Gray as Col. Wilma Deering
- Tim O'Connor as Dr. Elias Huer
- William Smith as The Trebor
- Keith Andes as Darius
- Elizabeth Stack as Vionne
- Edward Power as Neil
- Fred Sadoff as Kelan
- Felix Silla as Twiki
- Mel Blanc as Voice of Twiki
- Robert Lussier as Dr. Albert
- Stephanie Blackmore as Greta
- Heidi Bohay as Maya
- Francisco Lagueruela as Karem
- Douglas R. Bruce as Young Officer
- William Conrad as Voice of Narrator (uncredited)
Episode Crew
- Directed by Bob Bender
- Written by Rob Gilmer
- Produced by Jock Gaynor, Medora Heilbron, Bruce Lansbury, Glen A. Larson and David J. O'Connell
- Music by J.J. Johnson
- Cinematography by Ben Colman
- Film Editors - George Potter and Rod Stephens
- Casting - Simon Ayer
- Art Directors - Bill Camden and Fred Luff III
- Set Decorator - Joanne MacDougall
- Costume Designer - Al Lehman
Production Management
- Harker Wade - Unit Production Manager
- Charles E. Walker - Unit Production Manager
Second Unit Director or Assistant Director
- David Kahler - Second Assistant Director
- Gerald T. Olson - First Assistant Director
Art Department
- Jerry Allen - Model Builder
- Ted Wilson - Carpenter (uncredited)
Sound Department
- Earl Crain Jr. - Sound
- Dick Wahrman - Sound Effects Editor
Special Effects
- Chuck Arrigo - Special Effects Coordinator (uncredited)
Visual Effects
- Peter Anderson - Visual Effects Supervisor: Universal Hartland
- David M. Garber - Miniature Effects
- Wayne Smith - Miniature Effects
Camera and Electrical Department
- Gary Armstrong - Assistant Camera
- Kenneth Hale - First Assistant Camera
Costume and Wardrobe Department
- Barry Downing - Costume Supervisor: Gil Gerard
Music Department
- Glen A. Larson - Composer: Theme Music
- Herbert D. Woods - Music Editor
- Johnny Harris - Composer: Theme Music (uncredited)
- Stu Phillips - Composer: Theme Music (uncredited)