Boris Karloff

Dr. Julian Blair

Richard Fiske

Dr. Richard Sayles

Amanda Duff

Anne Blair

Anne Revere

Mrs. Walters

Dorothy Adams

Mrs. Marcy

Walter Baldwin

Seth Marcy

Kenneth MacDonald

Sheriff Ed Willis

Shirley Warde

Helen Blair

Cy Schindell

Karl

Ernie Adams

Elam

Lester Allen

Dr. Van Den

Wheaton Chambers

Dr. Sanders

Eddie Kane

Professor Walt

Harrison Greene

Mr. Booth

Erwin Kalser

Professor Kent

John Tyrrell

Postmaster

Edward Dmytryk

Director

Robert Hardy Andrews

Screenplay

Morris Stoloff

Original Music Composer

Wallace MacDonald

Producer

Milton Gunzburg

Screenplay

Al Clark

Editor

William Sloane

Novel

Allen G. Siegler

Director of Photography

Morris Stoloff

Music Director

Lionel Banks

Art Direction

Philip Faulkner Jr.

Sound Engineer