Trailer
Images
 | Lillian Gish as Princess Alexandra |
 | Rod La Rocque as Prince Albert |
 | Conrad Nagel as Dr. Nicholas Haller |
 | Marie Dressler as Princess Beatrice |
 | O. P. Heggie as Father Benedict |
 | Albert Conti as Count Lutzen |
 | Edgar Norton as Colonel Wunderlich |
 | Billie Bennett as Princess Sympharosa |
 | Philippe De Lacy as Prince Georg |
 | Byron Sage as Prince Arsene |
 | Barbara Leonard as Mitzi |
 | Russ Powell as Burgermeister of Rostenburg (uncredited) |
 | Florence Wix as Party Guest (uncredited) |
| Directing | |
| Paul L. Stein | Director |
Writing | |
| Ferenc Molnár | Theatre Play |
| Maxwell Anderson | Adaptation |
| Melville Baker | Screenplay |
| Melville Baker | Adaptation |
Camera | |
| Karl Struss | Director of Photography |
Directing | |
| Herbert Sutch | Assistant Director |
Art | |
| William Cameron Menzies | Settings |
| Park French | Set Dresser |
Sound | |
| Hugo Riesenfeld | Music Arranger |
Editing | |
| James Smith | Editor |
Production | |
| Joseph M. Schenck | Producer |
| John W. Considine Jr. | Associate Producer |
Sound | |
| Hugo Riesenfeld | Original Music Composer |
