An amorous lieutenant is forced to marry a socially awkward princess, though he tries to keep his violin-playing girlfriend on the side.
You can now watch The Smiling Lieutenant online on the following streaming providers in the United States.
| Writing | Ernest Vajda | Screenplay |
| Editing | Merrill G. White | Editor |
| Writing | Felix Dormann | Opera |
| Production | Ernst Lubitsch | Producer |
| Writing | Leopold Jacobson | Opera |
| Directing | Ernst Lubitsch | Director |
| Writing | Samson Raphaelson | Screenplay |
| Writing | Hans Müller | Novel |
| Camera | George J. Folsey | Director of Photography |
| Sound | C.A. Tuthill | Sound |
| Sound | Conrad Salinger | Music Arranger |
| Sound | Ernest Zatorsky | Sound |
| Sound | Oscar Straus | Original Music Composer |
| Sound | Adolph Deutsch | Music Director |
| Sound | Johnny Green | Music Arranger |
| Writing | Clifford Grey | Lyricist |
| Art | Hans Dreier | Art Direction |
| Crew | Harry Froboess | Stunts |
| Production | Milton Sperling | Production Assistant |
| Sound | Oscar Straus | Songs |
| Writing | Ernst Lubitsch | Writer |
