Germs (voice) / Charlie Collins (voice)
Jeff
Ed Begley Jr. (voice)
Dr. Winocur / Dr. Winokur
Supporting Role
John 'Stumpy' Pepys
Edward
Woody
Mr. Grimaldi
Altitude Chamber Instructor
Frederick
Hotel Manager
Ben Gunn
Lars Olfen
Robert
Jamie
Mr. Darling
Hippie
Dr. Chris Vanderkamp
Rod Perth
Lieutenant #1
General Bill Meekins
Joe Creigh
Dr. Warner
Bob
Hassler
Ed Mulgrave
Gil Turner
The Flashback - Young Simon's Father
