This Island Earth

Rex Reason

Dr. Cal Meacham

Faith Domergue

Dr. Ruth Adams

Jeff Morrow

Exeter

Lance Fuller

Brack

Robert Nichols

Joe Wilson

Russell Johnson

Steve Carlson

Douglas Spencer

The Monitor of Metaluna

Karl Ludwig Lindt

Dr. Adolph Engelborg

Regis Parton

Mutant (uncredited)

Richard Deacon

Pilot (uncredited)

Coleman Francis

Express Deliveryman (uncredited)

Robert B. Williams

Webb (uncredited)

Charlotte Alpert

Metaluna Woman at Decompression Console (uncredited)

Spencer Chan

Dr. Hu Ling Tang (uncredited)

Lizalotta Valesca

Dr. Marie Pitchner (uncredited)

Clifford Stine

Director of Photography

Joseph M. Newman

Director

Virgil W. Vogel

Editor

Franklin Coen

Screenplay

William Alland

Producer

Raymond F. Jones

Story

George Callahan

Screenplay

Jack Arnold

Director