Dr. Watkins
Franklin Pangborn
Philo Holmes
Charles Judels
Ronny Belvedere
William Tannen
Lucy Willoughby
Pauline Brooks
Servant (uncredited)
Mischa Auer
Night Club Reveller (uncredited)
Phil Dunham
Housekeeper (uncredited)
Sarah Edwards
Grandfather Willoughby (uncredited)
Otto Hoffman
Detective at Crime Scene (uncredited)
Colin Kenny
Luther Butts, Barrister Victim (uncredited)
C. Montague Shaw
Director
Felix E. Feist
Music
Screenplay
Music Director
Wayne Allen
Art Direction
Harry McAfee