Bela Lugosi

Dr. Paul Carruthers

Suzanne Kaaren

Mary Heath

Dave O'Brien

Johnny Layton

Guy Usher

Henry Morton

Yolande Donlan

Maxine

Donald Kerr

'One-Shot' McGuire

Edmund Mortimer

Martin Heath

Gene O'Donnell

Don Morton

Alan Baldwin

Tommy Heath

John Ellis

Roy Heath

Arthur Q. Bryan

Joe McGinty

Hal Price

Chief Wilkins

John Davidson

Prof. Percival Garland Raines

Billy Griffith

Coroner (scenes deleted)

Wally Rairden

Walter King

Jean Yarbrough