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