Wilhelm 'Billy' von Huber

Ralph Stanton

Dr. Wilhelm von Huber

Dr. Donni McGuinness

Ed the Bully

Little Kid

Narrator (voice)

Fielding

Gertz

Gerta

Alan Shepard

Guidance Technician

Dexterity Technician

Dieter

Telemetry Technician

Rudolph

Roger Thornhill