Lionel Atwill
Dr. Jerry Xavier
Fay Wray
Joanne Xavier
Lee Tracy
Lee Taylor
Preston Foster
Dr. Wells
John Wray
Dr. Haines
Harry Beresford
Dr. Duke
Arthur Edmund Carewe
Dr. Rowitz
Leila Bennett
Mamie
Robert Warwick
Commissioner Stevens
George Rosener
Otto, Dr. Xavier's Butler
Willard Robertson
Detective O'Halloran
Thomas E. Jackson
Daily World Editor
Harry Holman
Mike, Waterfront Policeman
Mae Busch
Cathouse Madame
Tom Dugan
Sheriff
Raoul Freeman
Morgue Detective (Uncredited)
Selmer Jackson
Willard Keefe, Daily World Night Editor (Uncredited)
Charles McMurphy
Detective at Headquarters (Uncredited)
Ky Robinson
Morgue Detective (Uncredited)
Louise Beavers
Louise (Uncredited)