Richard Carlson

Dr. Jeffrey Stewart

King Donovan

Dr. Dan Forbes

Leo Britt

Dr. Benton

Jean Byron

Connie Stewart

Harry Ellerbe

Dr. Allard

Frank Gerstle

Col. Willis

John Vosper

Capt. Dyer

Byron Foulger

Mr. Simon

Leonard Mudie

Howard Denker

Kathleen Freeman

Nelly

William Benedict

Albert

John Zaremba

Chief Watson

Douglas Evans

Pilot

Strother Martin

Co-Pilot

Michael Fox

Dr. Serny

Curt Siodmak

Herbert L. Strock