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

Ib Melchior