Boris Karloff

Baron Viktor von Frankenstein

Jana Lund

Carolyn Hayes

Don 'Red' Barry

Douglas Row

Charlotte Austin

Judy Stevens

Rudolph Anders

Wilhelm Gottfried

Tom Duggan

Mike Shaw

Irwin Berke

Inspector Raab

John Dennis

Morgan Haley

Norbert Schiller

Shuter

Mike Lane

Hans Himmler / The Monster

Franz Roehn

Cab Driver (uncredited)

Joe Ploski

Station Porter (uncredited)

Jack Kenney

Assistant Cameraman (uncredited)

Otto Reichow

Atomic Reactor Expert (uncredited)

Howard W. Koch

Director

Richard H. Landau

Screenplay

Charles A. Moses

Screenplay

Aubrey Schenck

Screenplay

Mary Shelley

Characters

George Worthing Yates

Screenplay

Aubrey Schenck

Producer

Paul Dunlap

Original Music Composer

Carl E. Guthrie

Director of Photography

John A. Bushelman

Editor

Jerry Welch

Set Decoration

Jack T. Collis

Production Design

George Bau

Makeup Artist