Boris Karloff

John Ellman

Ricardo Cortez

Nolan

Edmund Gwenn

Dr. Evan Beaumont

Marguerite Churchill

Nancy

Warren Hull

Jimmy

Barton MacLane

Loder

Henry O'Neill

District Attorney Werner

Joe King

Judge Roger Shaw

Addison Richards

Prison Warden

Paul Harvey

Blackstone

Robert Strange

Merritt

Joe Sawyer

'Trigger' Smith

Eddie Acuff

'Betcha'

Kenneth Harlan

Stephen Martin

Miki Morita

Loder's Butler Sako

Ruth Robinson

Mrs. Shaw

George Beranger

Nolan's Butler (uncredited)

Wade Boteler

Cellist's Guard (uncredited)

Frank Darien

Cemetery Caretaker (uncredited)

Edward Gargan

Guard Sitting Outside Warden's Office (uncredited)

Crauford Kent

British Radio Announcer (uncredited)

Milton Kibbee

Reporter (uncredited)

William H. O'Brien

Juror (uncredited)

Paul Panzer

Man in Courtroom (uncredited)

Leo White

Man in Courtroom (uncredited)