Cast
George Zucco
Prefect of Police
Jay Eaton
Man in Hotel Lobby (uncredited)
Stanley Fields
André - Horse Groom (uncredited)
Robert Middlemass
Sergeant (uncredited)
E. E. Clive
Alf
King Baggot
Detective (uncredited)
Joe King
Inspector Hennessey (uncredited)
Jack Norton
Hotel Manager (uncredited)
William Royle
Burly Detective (uncredited)
Pierre Watkin
Mr. Carter (uncredited)
Monty Woolley
Georges Bouchet
Egon Brecher
Vasseur (uncredited)
Frank Leigh
English Eddie (uncredited)
Melvyn Douglas
Rene Farrand aka Arsene Lupin
John Halliday
Count de Grissac
Rollo Lloyd
Duval
Chester Clute
Reporter (uncredited)
Dell Henderson
Plainclothes Detective (uncredited)
Robert Emmett Keane
Bill Watkins - Criminologist (uncredited)
Harry Tyler
Reporter (uncredited)
George Douglas
Gendarme (uncredited)
Otto Fries
Truck Driver (uncredited)
Larry Steers
Man Leaving Hotel (uncredited)
Christian J. Frank
Detective (uncredited)
Tully Marshall
Monelle
Jonathan Hale
F.B.I. Special Agent
Warren William
Steve Emerson
John Harmon
'Butch' Harron - Gang Leader (uncredited)
Priscilla Lawson
Switchboard Operator (uncredited)
Leonard Penn
Reporter (uncredited)
George Davis
Guard at Dock (uncredited)
Sidney Bracey
Squad Car Driver (uncredited)
Harvey Clark
Hotel Assistant Manager (uncredited)
Lillian Rich
Telephone Operator (uncredited)
Nat Pendleton
Joe Doyle
Vladimir Sokoloff
Ivan Pavloff
Ian Wolfe
A. Le Marchand - Detective (as Ien Wulf)
William Bailey
Detective (uncredited)
Sidney D'Albrook
Detective Alois (uncredited)
Mitchell Lewis
Detective (uncredited)
Virginia Bruce
Lorraine de Grissac