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