Cast
Basil Rathbone
Philo Vance
George F. Marion
Adolph Drukker
Sidney Bracey
Pyne (as Sydney Bracey)
Clarence Geldart
John F.-X. Markham
Carroll Nye
John E. Sprigg
Nellie Bly Baker
Beedle
Roland Young
Sigurd 'Erik' Arnesson
Alec B. Francis
Professor Bertrand Dillard
Marcia Mae Jones
Hungry Child in Park (uncredited)
Leila Hyams
Belle Dillard
Bodil Rosing
Grete Menzel
James Donlan
Ernest Heath
Delmer Daves
Raymond Sperling