- 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 hace el papel de Ivan Eigor.
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 hace el papel de Editor Jim.
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 interpreta a Otto, museum janitor en la película.
Holmes Herbert interpreta a Dr. Rasmussen en la película.
Claude King interpreta a Mr. Galatalin en la película.
William B. Davidson interpreta a Detective (Uncredited) en la película.
Guy Usher interpreta a Detective (Uncredited) en la película.
DeWitt Jennings interpreta a Police Captain, 12th Precinct en la película.
Robert Homans interpreta a Desk Sergeant, 12th Precinct en la película.
James Donlan interpreta a Morgue Attendant (Uncredited) en la película.
Thomas E. Jackson hace el papel de Detective at Morgue.
Frank Darien interpreta a Autopsy Surgeon (Uncredited) en la película.
Wallis Clark interpreta a Autopsy Surgeon's Assistant (Uncredited) en la película.
Monica Bannister interpreta a Joan Gale en la película.
Robert Emmett O'Connor interpreta a Police Sergeant by Christmas tree en la película.
Lon Poff interpreta a Tall Thin Henchman (Uncredited) en la película.
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 hace el papel de Wax Figure of Queen Victoria (Uncredited).
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 interpreta a Policeman in Prison (Uncredited) en la película.
Frank Fanning interpreta a Policeman (Uncredited) en la película.
Dick Rush interpreta a Policeman (Uncredited) en la película.
Lee Shumway hace el papel de Policeman (Uncredited).
William Wagner interpreta a Morgue Attendant's Assistant (Uncredited) en la película.
Frank Austin interpreta a Winton's Valet (Uncredited) en la película.
Walter Percival interpreta a Winton's Attorney (Uncredited) en la película.
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