In this film, Maurice Chevalier plays a Parisian doctor who is scrupulously faithful to his wife. But when MacDonald’s best friend Genevieve Tobin insists upon being treated by Dr. Chevalier, it looks to many of those concerned that Tobin may succeed where the other willing ladies failed., Maurice Chevalier and Jeanette MacDonald are captivating in this sparkling marital comedy enhanced by lilting tunes and the magical Lubitsch touch. Mitzi: Genevieve Tobin. Olivier: Roland Young. Maid: Barbara Leonard. Adolph: Charles Ruggles. Mlle. Martel: Josephine Dunn.