as Rene Farrand aka Arsene Lupin

as Lorraine de Grissac

as Steve Emerson

as Count de Grissac

as Joe Doyle

as Georges Bouchet

as Alf

as Prefect of Police

as Duval

as Ivan Pavloff

as A. Le Marchand - Detective (as Ien Wulf)

as Monelle

as F.B.I. Special Agent

as Guard at Dock (uncredited)

as Detective (uncredited)

as Detective (uncredited)

as Party Guest (uncredited)

as Squad Car Driver (uncredited)

as Vasseur (uncredited)

as Hotel Assistant Manager (uncredited)

as Reporter (uncredited)

as Detective Alois (uncredited)

as François - Butler (uncredited)

as Woman Passenger at Dock (uncredited)

as Gendarme (uncredited)

as Man in Hotel Lobby (uncredited)

as André - Horse Groom (uncredited)

as Detective (uncredited)

as Truck Driver (uncredited)

as 'Butch' Harron - Gang Leader (uncredited)

as Telephone Operator (uncredited)

as Plainclothes Detective (uncredited)

as Fingerprint Man (uncredited)

as Bill Watkins - Criminologist (uncredited)

as Inspector Hennessey (uncredited)

as Switchboard Operator (uncredited)

as English Eddie (uncredited)

as Detective (uncredited)

as Party Guest (uncredited)

as Sergeant (uncredited)

as Man at Hotel Desk (uncredited)

as Hotel Manager (uncredited)

as Gendarme (uncredited)

as Reporter (uncredited)

as Gendarme (uncredited)

as Telephone Operator (uncredited)

as Burly Detective (uncredited)

as Man Leaving Hotel (uncredited)

as Reporter (uncredited)

as Gendarme (uncredited)

as Mr. Carter (uncredited)

as Radio Broadcaster (voice) (uncredited)