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