Lionel Atwill as Ivan Eigor

Glenda Farrell as Florence Dempsey

Allen Vincent as Ralph Burton

Fay Wray as Charlotte Duncan

Frank McHugh as Editor Jim

Edwin Maxwell as Worth, Eigor's bootlegger partner

Arthur Edmund Carewe as Professor Darcy

Gavin Gordon as George Winton

Matthew Betz as Hugo, deafmute sculptor

Bull Anderson as Otto, museum janitor

Holmes Herbert as Dr. Rasmussen

Claude King as Mr. Galatalin

William B. Davidson as Detective (Uncredited)

Guy Usher as Detective (Uncredited)

DeWitt Jennings as Police Captain, 12th Precinct

Robert Homans as Desk Sergeant, 12th Precinct

James Donlan as Morgue Attendant (Uncredited)

Thomas E. Jackson as Detective at Morgue

Frank Darien as Autopsy Surgeon (Uncredited)

Wallis Clark as Autopsy Surgeon's Assistant (Uncredited)

Monica Bannister as Joan Gale

Robert Emmett O'Connor as Police Sergeant by Christmas tree

Lon Poff as Tall Thin Henchman (Uncredited)

Max Barwyn as Museum Visitor (Uncredited)

Wade Boteler as Ambrose (Uncredited)

Otto Hoffman as Igor's Assistant (Uncredited)

Perry Ivins as Copy Editor (Uncredited)

Margaret Mann as Wax Figure of Queen Victoria (Uncredited)

Pat O'Malley as Plainclothesman (Uncredited)

Milton Kibbee as Reporter (Uncredited)

Harry C. Bradley as Reporter (Uncredited)

Charles McMurphy as Policeman in Prison (Uncredited)

Frank Fanning as Policeman (Uncredited)

Dick Rush as Policeman (Uncredited)

Lee Shumway as Policeman (Uncredited)

William Wagner as Morgue Attendant's Assistant (Uncredited)

Frank Austin as Winton's Valet (Uncredited)

Walter Percival as Winton's Attorney (Uncredited)