Robert Cornthwaite

Mr. Reed

Dr. Arthur Carrington

Dr. Zoldeck

Franz Loeffler

Dr. Flankon

Dr. Alistair Craig

Dr. Carrington

Tommy Preston, Wyoming Hotel Owner

Hearing Officer

Ben

Pastor Dixon

Napoleon Bonaparte

Lloyd Trent

Simon the Zealot

Stefan (uncredited)

Dr. Bradville

Senator Tom Benton

Harper

Sen. Royce

Springer

Dr. Tighe

Frederick S. Fish

Arnold Hammer

George - Hotel Clerk

Huddleston

Harry Knight - Lindbergh Student (uncredited)

Caiaphas

First Scientist

Young Man (uncredited)

Earl Cott

Frank Cavanaugh

Dr. Lomas

Gov. Renault

Self

Dr. Pryor (as Bob Cornthwaite)

Emergency Room Orderly (uncredited)

Mr. Hayes

Dr. Ashburn

Professor Blount

Hernandez (uncredited)

Studio Photo Archivist (uncredited)

Hanford

Pickett

Director

Dr. Hartfield

Mr. Somerset

Reverend Keith

Henry

Duval

Herbert Dean

Machine (voice)

Allan A. Dale

Ted Warwick

Hives

Mr. Bleeker

Coroner