 | Maurice Chevalier als Dr. Andre Bertier |
 | Jeanette MacDonald als Colette Bertier |
 | Genevieve Tobin als Mitzi Olivier |
 | Charles Ruggles als Adolph |
 | Roland Young als Professor Olivier |
 | Josephine Dunn als Mademoiselle Martel |
 | Richard Carle als Henri Dornier - Private Detective |
 | Barbara Leonard als Mitzi's Maid |
 | George Barbier als Police Commissioner |
 | Lita Chevret als Party Guest (uncredited) |
 | Sheila Bromley als Colette's Downstairs Maid (uncredited) |
 | Charles Judels als Policeman (uncredited) |
 | Mae Questel als Office Worker (uncredited) |
 | Bess Flowers als Party Guest (uncredited) |
 | Jack Byron als Party Guest (uncredited) |
 | Jack Chefe als Party Guest (uncredited) |
 | Charles Coleman als Marcel (uncredited) |
 | George Davis als Taxi Driver (uncredited) |
 | Bill Elliott als Party Guest (uncredited) |
| Jack Ford als Party Guest (uncredited) |
 | Florine McKinney als Departing Party Guest (uncredited) |
| Donald Novis als Band Singer at Party (uncredited) |
| Léonie Pray als Colette's Upstairs Maid (uncredited) |
 | Pat Somerset als Party Guest (uncredited) |
 | Kent Taylor als Party Guest Greeted by Colette (uncredited) |
| Eric Wilton als Andre's Butler (uncredited) |
| Ernst Lubitsch | Director |
| Ernst Lubitsch | Producer |
| W. Franke Harling | Original Music Composer |
| Rudolph G. Kopp | Original Music Composer |
| John Leipold | Original Music Composer |
| William Shea | Editor |
| Lothar Schmidt | Theatre Play |
| Samson Raphaelson | Writer |
| Victor Milner | Director of Photography |
| Travis Banton | Costume Design |
| Oscar Straus | Songs |
| Leo Robin | Lyricist |
| George Cukor | Co-Director |
| Léopold Marchand | Adaptation |
| Oscar Straus | Original Music Composer |
| Hans Dreier | Art Direction |
| A. E. Freudeman | Set Decoration |
| M.M. Paggi | Sound |
| Lucien Ballard | Camera Operator |
| William C. Mellor | Camera Operator |
| Guy Roe | Camera Operator |
| Buddy Longworth | Still Photographer |
| William Rand | Camera Operator |
| Guy Roe | Assistant Camera |
| Nat W. Finston | Music Director |
| Richard A. Whiting | Additional Music |
| George Cukor | Dialogue Coach |
