- Bull Anderson - Otto, museum janitor
- Holmes Herbert - Dr. Rasmussen
- Claude King - Mr. Galatalin
- William B. Davidson - Detective (Uncredited)
- Guy Usher - Detective (Uncredited)
- DeWitt Jennings - Police Captain, 12th Precinct
- Robert Homans - Desk Sergeant, 12th Precinct
- James Donlan - Morgue Attendant (Uncredited)
- Thomas E. Jackson - Detective at Morgue
- Frank Darien - Autopsy Surgeon (Uncredited)
- Wallis Clark - Autopsy Surgeon's Assistant (Uncredited)
- Monica Bannister - Joan Gale
- Robert Emmett O'Connor - Police Sergeant by Christmas tree
- Lon Poff - Tall Thin Henchman (Uncredited)
- Max Barwyn - Museum Visitor (Uncredited)
- Wade Boteler - Ambrose (Uncredited)
- Otto Hoffman - Igor's Assistant (Uncredited)
- Perry Ivins - Copy Editor (Uncredited)
- Margaret Mann - Wax Figure of Queen Victoria (Uncredited)
- Pat O'Malley - Plainclothesman (Uncredited)
- Milton Kibbee - Reporter (Uncredited)
- Harry C. Bradley - Reporter (Uncredited)
- Charles McMurphy - Policeman in Prison (Uncredited)
- Frank Fanning - Policeman (Uncredited)
- Dick Rush - Policeman (Uncredited)
- Lee Shumway - Policeman (Uncredited)
- William Wagner - Morgue Attendant's Assistant (Uncredited)
- Frank Austin - Winton's Valet (Uncredited)
- Walter Percival - Winton's Attorney (Uncredited)
- Michael Curtiz
- Carl Erickson
- Hal B. Wallis
- William Koenig
- Leo F. Forbstein
Lionel Atwill interpreta a Ivan Eigor en la película.
Glenda Farrell interpreta a Florence Dempsey en la película.
Allen Vincent interpreta a Ralph Burton en la película.
Fay Wray interpreta a Charlotte Duncan en la película.
Frank McHugh interpreta a Editor Jim en la película.
Edwin Maxwell hace el papel de Worth, Eigor's bootlegger partner.
Arthur Edmund Carewe hace el papel de Professor Darcy.
Gavin Gordon interpreta a George Winton en la película.
Matthew Betz interpreta a Hugo, deafmute sculptor en la película.
Bull Anderson hace el papel de Otto, museum janitor.
Holmes Herbert hace el papel de Dr. Rasmussen.
Claude King interpreta a Mr. Galatalin en la película.
William B. Davidson interpreta a Detective (Uncredited) en la película.
Guy Usher hace el papel de Detective (Uncredited).
DeWitt Jennings hace el papel de Police Captain, 12th Precinct.
Robert Homans interpreta a Desk Sergeant, 12th Precinct en la película.
James Donlan hace el papel de Morgue Attendant (Uncredited).
Thomas E. Jackson interpreta a Detective at Morgue en la película.
Frank Darien interpreta a Autopsy Surgeon (Uncredited) en la película.
Wallis Clark interpreta a Autopsy Surgeon's Assistant (Uncredited) en la película.
Monica Bannister hace el papel de Joan Gale.
Robert Emmett O'Connor interpreta a Police Sergeant by Christmas tree en la película.
Lon Poff hace el papel de Tall Thin Henchman (Uncredited).
Max Barwyn interpreta a Museum Visitor (Uncredited) en la película.
Wade Boteler interpreta a Ambrose (Uncredited) en la película.
Otto Hoffman hace el papel de Igor's Assistant (Uncredited).
Perry Ivins interpreta a Copy Editor (Uncredited) en la película.
Margaret Mann interpreta a Wax Figure of Queen Victoria (Uncredited) en la película.
Pat O'Malley hace el papel de Plainclothesman (Uncredited).
Milton Kibbee hace el papel de Reporter (Uncredited).
Harry C. Bradley interpreta a Reporter (Uncredited) en la película.
Charles McMurphy hace el papel de Policeman in Prison (Uncredited).
Frank Fanning hace el papel de Policeman (Uncredited).
Dick Rush interpreta a Policeman (Uncredited) en la película.
Lee Shumway interpreta a Policeman (Uncredited) en la película.
William Wagner hace el papel de Morgue Attendant's Assistant (Uncredited).
Frank Austin hace el papel de Winton's Valet (Uncredited).
Walter Percival hace el papel de Winton's Attorney (Uncredited).
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