Santaman (voice)
Caleb Brown
Randy McNabb
Daniel Hanley
Rolf (voice)
Dad
Col. Aiden Wexler
Narrator (voice)
Barry
Frank Greenlee
Milton / Dr. Perseco
John
Dean Marshall
Adrian
Live Volcano Reporter (voice)
Captain Will Howard
Imperial Guard #3 (voice) (uncredited)
Vista Producer
Amarillo Slim
Doug Ellis
Larry Grubman
Richard Stander
The Narrator / The Navy Suit
Narrator (voice)
Assistant Counsel Howard P. Willens
Dr. Baxter
Dr. W.B. Miller
Barry
Technician #1
Billy Parke
