Alex D. Linz
Wilhelm 'Billy' von Huber
William Atherton
Ralph Stanton
James Woods
Dr. Wilhelm von Huber
Annabeth Gish
Dr. Donni McGuinness
T
T.J. Beacom
Ed the Bully
A
Austin Schwarz
Little Kid
Tony Jay
Narrator (voice)
Jack McGee
Fielding
J
James Benson
Gertz
J
Janis Benson
Gerta
Mark Moses
Alan Shepard
Michael Tylo
Guidance Technician
M
Michael Jeffrey Woods
Dexterity Technician
Patrick Richwood
Dieter
Scott Thompson Baker
Telemetry Technician
Wesley Mann
Rudolph
William Devane
Roger Thornhill
J
Joanie Fagan
Mother on Beach