Philo Vance
Harry Gray
Sgt. Edward Heath
Adolph Mohler
Fanny Del Roy
Anthony Benson
Mrs. Paula Banning
DA John F.X. Markham
Albert Brecker (uncredited)
Print Dealer (uncredited)
Detective Burke (uncredited)
Captain Hagedorn (uncredited)
Director
Costume Design
Director of Photography
Editor
Novel
Still Photographer
Sound
Casting Assistant
General Manager
Presenter
Presenter
Screenplay
