Générique complet
One Romantic Night
Lillian Gish
Princess Alexandra
Rod La Rocque
Prince Albert
Conrad Nagel
Dr. Nicholas Haller
Marie Dressler
Princess Beatrice
O. P. Heggie
Father Benedict
Albert Conti
Count Lutzen
Edgar Norton
Colonel Wunderlich
Billie Bennett
Princess Sympharosa
Philippe De Lacy
Prince Georg
BS
Byron Sage
Prince Arsene
Barbara Leonard
Mitzi
Russ Powell
Burgermeister of Rostenburg (uncredited)
Florence Wix
Party Guest (uncredited)
