Paul L. Stein
Director Joseph M. Schenck
Producer

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 Byron Sage
Prince Arsene Barbara Leonard
Mitzi Russ Powell
Burgermeister of Rostenburg (uncredited)

Ferenc Molnár
Theatre Play Maxwell Anderson
Adaptation Melville Baker
Screenplay Karl Struss
Director of Photography Hugo Riesenfeld
Music Arranger James Smith
Editor