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