Erich Von Stroheim (Count Sergius Karamzin, Capt. of 3rd Hussars Imperial)
Rudolph Christians (Andrew J. Hughes)
Miss Du Pont (Mrs. Helen Hughes)
Maude George (Princess Olga Petschnikoff)
Mae Busch (Princess Vera Petschnikoff)
Robert Edeson (Andrew J. Hughes)
Mrs. Kent Hi (Mrs. Kent's Wife)
Harrison Ford
C.J. Allen (Albert 1, Prince of Monaco)
Edward Reinach (Secretary of State of Monaco)
Louis K. Webb (Dr. Judd)
Dale Fuller (Maruschka, a Maid)
Al Edmundsen (Pavel Paulich, a Butler)
Cesare Gravina (Coesore Ventucci, a Counterfeiter)
Malvina Polo (Marietta, His Daughter)