Dr. Jim Barker

Arthur Franz

Acting

Carol Stafford

Virginia Huston

Acting

Steve Abbott

Cameron Mitchell

Acting

Dr. Lane

John Litel

Acting

Prof. Jackson

Richard Gaines

Acting

Ikron

Morris Ankrum

Acting

Alita

Marguerite Chapman

Acting

Terris

Lucille Barkley

Acting

Tillamar

Robert Barrat

Acting

Justin (uncredited)

Edward Earle

Acting

General (uncredited)

William Forrest

Acting

Ramay (uncredited)

David Bond

Acting

Councilman (uncredited)

Stanley Blystone

Acting

Commentator (uncredited)

Tristram Coffin

Acting

Montar (uncredited)

Everett Glass

Acting

Alzar (uncredited)

Trevor Bardette

Acting