Directed by
| Dmitriy Bukhovetskiy | ... | (as Dimitri Buchowetzki) |
Writing Credits (in alphabetical order)
| Laurids Bruun | ... | (story) |
| Andrew Percival Younger | ... | (scenario) (as A.P. Younger) |
Cast (in credits order)
| Laura La Plante | ... | Olga 'The Midnight Sun' Morova | |
| Pat O'Malley | ... | Grand Duke Sergius of Russia | |
| Raymond Keane | ... | Alexei Orloff - Russian Officer | |
| George Siegmann | ... | Ivan Kusmin - Banker | |
| Arthur Hoyt | ... | Yessky - Kusmin's Secretary | |
| Earl Metcalfe | ... | Nicolai Orloff (as Earl Metcalf) | |
| Michael Vavitch | ... | Duke's Adjutant (as Mikhael Vavitch) | |
| Nicholas Soussanin | ... | Duke's Aide | |
|
|
Cesare Gravina | ... | Opera Director |
| Nina Romano | ... | Barbara | |
| Medea Radzina | ... | Anisya - Olga's Companion | |
| Albert Prisco | ... | Messenger | |
| George B. Williams | ... | Ruined Banker | |
| Rest of cast listed alphabetically: | |||
| Yola d'Avril | |||
| Max Barwyn | ... | Maitre D' (uncredited) | |
| Sayre Dearing | ... | Young Russian Officer (uncredited) | |
| Louis Mercier | ... | Russian Dissident (uncredited) | |
| Phillips Smalley | ... | Card Player (uncredited) | |
Music by
| Edward Kilenyi | ... | (as Dr. Edward Kilenyi) |
| Bernhard Kaun | ... | (1931 sound reissue) (uncredited) |
Cinematography by
| Jackson Rose | ||
| Ernest F. Smith | ... | (as Ernest Smith) |
Costume Design by
| Alice O'Neill | ... | (uncredited) |
Production Management
| John M. Voshell | ... | production manager (uncredited) |
Second Unit Director or Assistant Director
| William J. Cowen | ... | assistant director |
Music Department
| Bernhard Kaun | ... | orchestrator (1931 sound reissue) (uncredited) |
| Heinz Roemheld | ... | composer: title music (1931 sound reissue) (uncredited) |
Additional Crew
| Fanchon | ... | choreographer: Ballet of Jewels |
| Carl Laemmle | ... | presenter |