Lionel Atwill
Dr. Jerry Xavier
Arthur Edmund Carewe
Dr. Rowitz
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
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)