John Emery

as Jean, Duke d'Alencon, cousin of Charles

as Tony Abbott

as Cody Clark

as Mario Du Billar

as Capt. Deichgraber

as Clyde Gorman

as Dr. Farno

as Chicago Hagen

as Tomasso

as Dr. Fleurot

as Georges Peydal

as Sir Percival Glyde

as Abel Dennis

as The Pawnbroker

as Harold

as Mr. Stewart (uncredited)

as Kerwin Drake

as Lawrence Price