On Secret Service

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