- Ian Wolfe - Henry Orlac, Stephen Orlac's Stepfather (Uncredited)
- Frank Darien - Lavin, Waxwork Proprietor (Uncredited)
- Murray Kinnell - Charles, Theatre Official (Uncredited)
- Rollo Lloyd - Varsac, Fingerprint Expert (Uncredited)
- Charles Trowbridge - Dr. Marbeau (Uncredited)
- Nell Craig - Suzanne (Uncredited)
- Robert Emmett Keane - Raoul (Uncredited)
- Agostino Borgato - Stage Doorman (Uncredited)
- Billy Gilbert - Autograph Seeker on Train (Uncredited)
- Hooper Atchley - Train Conductor (Uncredited)
- Maurice Brierre - Taxi Driver (Uncredited)
- Julie Carter - Nurse (Uncredited)
- Harvey Clark - Station Master (Uncredited)
- Michael Mark - Execution Official (Uncredited)
- Alphonse Ethier - Assistant Prefect (Uncredited)
- Matty Roubert - Newsboy (Uncredited)
- Otto Hoffman - Blind Man (Uncredited)
- Cora Sue Collins - Crippled Girl (Uncredited)
- Sarah Padden - Crippled Girl's Mother (Uncredited)
- Bernard Siegel - Man (Uncredited)
- Edward Norris - Man Outside Theatre of Horror (Uncredited)
- Mary Jo Mathews - Woman Outside Theatre of Horror (Uncredited)
- Russ Powell - Gendarme (Uncredited)
- Rolfe Sedan - Gendarme (Uncredited)
- Sam Ash - Detective Arresting Stephen (Uncredited)
- Roger Gray - Detective Arresting Stephen (Uncredited)
- Christian J. Frank - Detective Escorting Rollo on Train (Uncredited)
- Robert Graves - Detective Escorting Rollo on Train (Uncredited)
- Earl Pingree - Detective Interviewing Henry Orlac's Clerk (Uncredited)
- Theodore Lorch - Actor at Party (Uncredited)
- Carl Stockdale - Actor as 'The Rotary' (Uncredited)
- Ramsay Hill - Actor as 'Duke' (Uncredited)
- Marc Loebell - Actor as 'Prince' (Uncredited)
- Jacques Vanaire - Police Broadcaster (Uncredited)
- Monte Vandergrift - Audience Member (Uncredited)
- Clarence Wilson - Piano Creditor (Uncredited)
- Karl Freund
-
P.J. Wolfson, John L. Balderston
-
John W. Considine Jr.
- Dimitri Tiomkin
- David Snell
- Douglas Shearer
Peter Lorre interpreta a Doctor Gogol en la película.
Frances Drake interpreta a Yvonne Orlac en la película.
Colin Clive hace el papel de Stephen Orlac.
Ted Healy interpreta a Reagan en la película.
Sara Haden hace el papel de Marie.
Edward Brophy hace el papel de Rollo.
Henry Kolker interpreta a Prefect Rosset en la película.
Keye Luke hace el papel de Dr. Wong.
May Beatty interpreta a Françoise en la película.
Ian Wolfe interpreta a Henry Orlac, Stephen Orlac's Stepfather (Uncredited) en la película.
Edward Lippy interpreta a Pierre, Henry Orlac's Clerk (Uncredited) en la película.
Frank Darien interpreta a Lavin, Waxwork Proprietor (Uncredited) en la película.
Murray Kinnell interpreta a Charles, Theatre Official (Uncredited) en la película.
Rollo Lloyd interpreta a Varsac, Fingerprint Expert (Uncredited) en la película.
Charles Trowbridge interpreta a Dr. Marbeau (Uncredited) en la película.
Nell Craig interpreta a Suzanne (Uncredited) en la película.
Robert Emmett Keane interpreta a Raoul (Uncredited) en la película.
Agostino Borgato hace el papel de Stage Doorman (Uncredited).
Billy Gilbert hace el papel de Autograph Seeker on Train (Uncredited).
Hooper Atchley interpreta a Train Conductor (Uncredited) en la película.
Maurice Brierre interpreta a Taxi Driver (Uncredited) en la película.
Julie Carter interpreta a Nurse (Uncredited) en la película.
Harvey Clark interpreta a Station Master (Uncredited) en la película.
Michael Mark interpreta a Execution Official (Uncredited) en la película.
Alphonse Ethier hace el papel de Assistant Prefect (Uncredited).
Matty Roubert hace el papel de Newsboy (Uncredited).
Otto Hoffman hace el papel de Blind Man (Uncredited).
Cora Sue Collins interpreta a Crippled Girl (Uncredited) en la película.
Sarah Padden hace el papel de Crippled Girl's Mother (Uncredited).
Mike Cantwell hace el papel de Man (Uncredited).
Bernard Siegel hace el papel de Man (Uncredited).
Kay English hace el papel de Woman (Uncredited).
Edward Norris interpreta a Man Outside Theatre of Horror (Uncredited) en la película.
Mary Jo Mathews hace el papel de Woman Outside Theatre of Horror (Uncredited).
Russ Powell interpreta a Gendarme (Uncredited) en la película.
Rolfe Sedan hace el papel de Gendarme (Uncredited).
Sam Ash interpreta a Detective Arresting Stephen (Uncredited) en la película.
Roger Gray interpreta a Detective Arresting Stephen (Uncredited) en la película.
Christian J. Frank interpreta a Detective Escorting Rollo on Train (Uncredited) en la película.
Robert Graves hace el papel de Detective Escorting Rollo on Train (Uncredited).
Earl Pingree hace el papel de Detective Interviewing Henry Orlac's Clerk (Uncredited).
Theodore Lorch hace el papel de Actor at Party (Uncredited).
Carl Stockdale interpreta a Actor as 'The Rotary' (Uncredited) en la película.
Ramsay Hill interpreta a Actor as 'Duke' (Uncredited) en la película.
Marc Loebell interpreta a Actor as 'Prince' (Uncredited) en la película.
Jacques Vanaire interpreta a Police Broadcaster (Uncredited) en la película.
Monte Vandergrift hace el papel de Audience Member (Uncredited).
Clarence Wilson interpreta a Piano Creditor (Uncredited) en la película.
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