The Time Travelers

Preston Foster

as Dr. Erik von Steiner

Philip Carey

as Dr. Steve Connors

Merry Anders

as Carol White

John Hoyt

as Dr. Varno

Dennis Patrick

as Councilman Willard

Joan Woodbury

as Gadra

Steve Franken

as Danny McKee, the Electrician

Berry Kroeger

as Preston

J. Edward McKinley

as Raymond

Delores Wells

as Reena

Gloria Leslie

as Councilwoman

Molly Glessing

as Android

Peter Strudwick

as The Mutant

Margaret Seldeen

as Miss Hollister

Forrest J. Ackerman

as Square-Frame Technician