All Cast
John Armstrong
Steve Armstrong
Clifford Harrington
Mark Gordon/Commander Robinson/Narrator/Additional Voices
Richard Murphy
Big Bert Armstrong
Nancy Culluci
Little John/Additional Voices
Gerri Sorrells
Jamie Robinson
William Ross
Dr Smith/Draco/Additional Voices
Don Johnson
Dr Ned Armstrong
Judith Sackheim
Dr Mary Ann Armstrong
Joseph Zucatti
Dr Hook/Additional Voices
Greg Starr
General Watson/Additional Voices
Richard Murphy
Zambajil
Tom Clark
Prince Zardoz
Patricia Kobiyashi
Zandra
Mike Worman
Zuhl