Greta Nissen
— Marchesa Marcella Galdi
Karl Ludwig Diehl
— Captain von Homberg
Don Alvarado
— Conte Valenti
Lester Matthews
— Coloneilo Romanelli
Esme Percy
— Bleuntzli - Reporter
C.M. Hallard
— Colonel von Waldmuller
Austin Trevor
— Captain Larco
Cecil Ramage
— Ermete Davila
Wallace Geoffrey
— B-18