Diễn viên
William Atherton
Ralph Stanton
Annabeth Gish
Dr. Donni McGuinness
Mark Moses
Alan Shepard
Jack McGee
Fielding
Michael Tylo
Guidance Technician
Wesley Mann
Rudolph
Alex D. Linz
Wilhelm 'Billy' von Huber
James Woods
Dr. Wilhelm von Huber
Scott Thompson Baker
Telemetry Technician
William Devane
Roger Thornhill
Tony Jay
Narrator (voice)
Patrick Richwood
Dieter