Neil Hamilton

Lt. Pierre de Montmalion

Brigitte Horney

Lena Schmidt

Gyles Isham

Franz Abel

Ivor Barnard

Baldhead

Charles Carson

Henri

Raymond Lovell

German Secret Service Chief

Frederick Lloyd

French Secret Service Chief

Leslie Perrins

J 14

Hay Petrie

Robert Pigeon

Ben Field

Karl Schmidt

Ralph Truman

Prison Guard

Arthur Hambling

Swiss Official (uncredited)

Vi Kaley

Bakery Customer (uncredited)

Julian Vedey

Cabaret Proprietor (uncredited)

Margaret Yarde

Bakery Customer (uncredited)

Edmond T. Gréville