导演

威廉·博丁

William Beaudine

编剧

Karl Brown

Barney A. Sarecky

演员

贝拉·卢高西

Bela Lugosi

饰  Dr. James Brewster

Louise Currie

饰  Billie Mason

Wallace Ford

饰  Jeff Carter

Henry Hall

饰  Dr. George Randall

Minerva Urecal

饰  Agatha Brewster

Emil Van Horn

饰  The Ape

J. Farrell MacDonald

饰  Police Capt. O'Brien

Wheeler Oakman

饰  Det. Brady

Ralph Littlefield

饰  Zippo

杰克·茂豪尔

Jack Mulhall

饰  Reporter

Charles Jordan

饰  Det. O'Toole

Charlie Hall

饰  Barney (the photogra

George Kirby

饰  Detective #1 (uncred

Ray Miller

饰  Reporter (uncredited

Ernest Morrison

饰  Copyboy (uncredited)

William Ruhl

饰  Martin (editor) (unc

摄影

Mack Stengler

音效

Glen Glenn

艺术指导

Dave Milton

副导演/助理导演

Arthur Hammond

剪辑

Carl Pierson