导演

William Nigh

编剧

Harvey Gates

Robert Kehoe

制片人

Ed W. Rote

演员

贝拉·卢高西

Bela Lugosi

饰  Dr. Melcher / Monsie

Joan Barclay

饰  Alice Saunders

George Pembroke

饰  Dr. William Saunders

克雷顿·摩尔

Clayton Moore

饰  FBI Agent Richard 'D

Robert Frazer

饰  Amos Hanlin

Edward Peil Sr.

饰  RyderEdward Piel Sr.

Robert Fiske

饰  Phillip Wallace

Irving Mitchell

饰  JohnDyke

Kenneth Harlan

饰  FBI Chief Colton

Max Hoffman Jr.

饰  Kearney

Frank Melton

饰  FBI agent

Joseph Eggenton

饰  Stevens,butler

I. Stanford Jolley

饰  The DragonStanford J

Jack Cheatham

饰  Policeman (uncredite

Bernard Gorcey

饰  The Cabbie (uncredit

Jack Holmes

饰  Industrialist (uncre

摄影

Arthur Reed

音效

Glen Glenn

Heinz Roemheld

音乐

Johnny Lange

Lew Porter

艺术指导

Dave Milton

副导演/助理导演

Arthur Hammond

Gerald Schnitzer

剪辑

Carl Pierson