贝拉·卢戈西

Bela Lugosi

饰：Dr. Paul Carruthers

Suzanne Kaaren

饰：Mary Heath

戴夫·奥布莱恩

Dave O'Brien

饰：Johnny Layton (reporter)

盖·厄舍

Guy Usher

饰：Henry Morton

Yolande Donlan

饰：Maxine 'Frenchy' (maid) (as Yolande Mallott)

唐纳德·柯尔

Donald Kerr

饰：'One-Shot' McGuire

埃德蒙·莫蒂默

Edmund Mortimer

饰：Martin Heath (as Edward Mortimer)

Gene O'Donnell

饰：Donald 'Don' Morton

Alan Baldwin

Alan Baldwin

饰：Thomas 'Tommy' Heath

John Ellis

John Ellis

饰：Roy Heath

亚瑟·Q·布莱恩

Arthur Q. Bryan

饰：Joe McGinty (editor)

Hal Price

饰：Chief Wilkins

约翰·戴维森

John Davidson

饰：Prof. Percival Garland Raines

Billy Griffith

饰：Coroner (scenes deleted)

Wally Rairden

Wally Rairden

饰：Walter King (radio announcer)