as Philo Vance

as Hilda Lake

as Markham

as Ryan

as Doris Delafield

as Tom McDonald

as Philip Wrede

as Gamble

as Dr. Doremus - Coroner

as Eduardo Grassi

as Du Bois - Fingerprint Man

as Hennessey - Markham's Assistant

as Archer Coe

as Brisbane Coe

as Ling Toy

as MacTavish (uncredited)

as First Reporter (uncredited)

as Hans Snauble (uncredited)

as Austrian Judge (uncredited)

as Capt. Lugo (uncredited)

as Sorrento Sailor (uncredited)

as 2nd Photographer (uncredited)

as Train Porter Asked to Send Telegram (uncredited)

as Markham's Secretary (uncredited)

as Austrian Sergeant (uncredited)

as Coroner's Assistant (uncredited)

as Third Reporter (uncredited)

as Hertz (uncredited)

as Clerk at Hotel Nino in Chicago (uncredited)

as Charles (uncredited)

as Avery (uncredited)

as Mrs. Fritz Snauble (uncredited)

as Aeronautics Department Sentry (uncredited)

as Doorman (uncredited)

as Steamship Clerk (uncredited)

as 4h Reporter (uncredited)

as Investigator Snitken (uncredited)

as Nazi Officer at Dock (uncredited)

as 2nd Reporter (uncredited)

as 1st Photographer (uncredited)

as Long-Distance Operator (uncredited)

as Austrian Lieutenant (uncredited)