On Secret Service

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