Preston Foster
Dr. Erik von Steiner
Philip Carey
Dr. Steve Connors
Merry Anders
Carol White
John Hoyt
Dr. Varno
Dennis Patrick
Councilman Willard
Joan Woodbury
Gadra
Steve Franken
Danny McKee, the Electrician
Berry Kroeger
Preston
J. Edward McKinley
Raymond
Delores Wells
Reena
Gloria Leslie
Councilwoman
Molly Glessing
Android
Peter Strudwick
The Mutant
Margaret Seldeen
Miss Hollister
Forrest J. Ackerman
Square-Frame Technician