Robert Clarke
Rob
Robert Bice
Bram, Rob's pal
Stuart Randall
Gordon, chief of the Upriver People
Margaret Field
Ruth
Ron Randell
Riddon, chief of the Mutates
Gloria Saunders
Catherine, the Norm traitoress
William Schallert
Carver, the Mutate traitor
Douglas Evans
Jason, the Norm traitor
Marshall Bradford
Mutate Council Leader
Tom Daly
Dirk, a Mutate
Eric Colmar
Sabron, a Mutate
Chili Williams
A Norm Woman
Paula Dorety
