Rob
Robert Clarke
Bram, Rob's pal
Robert Bice
Sabron, a Mutate
Eric Colmar
A Norm Woman
Chili Williams
Paula Dorety
Gordon, chief of the Upriver People
Stuart Randall
Ruth
Margaret Field
Riddon, chief of the Mutates
Ron Randell
Catherine, the Norm traitoress
Gloria Saunders
Carver, the Mutate traitor
William Schallert
Jason, the Norm traitor
Douglas Evans
Mutate Council Leader
Marshall Bradford
Dirk, a Mutate
Tom Daly
Associate Producer
Albert Zugsmith
Director
Stuart Gilmore
Writer
Jack Pollexfen
Aubrey Wisberg
Production Design
Theobold Holsopple
Special Effects
Irving Block
Producer
Set Decoration
Clarence Steensen
Original Music Composer
Charles Koff
Makeup Artist
Steven Clensos
Louis DeWitt
Director of Photography
Paul Ivano
Editor
Fred R. Feitshans Jr.
Costume Design
Yvonne Wood