The Chocolate Soldier (film)

The Chocolate Soldier is a 1941 American musical film directed by Roy Del Ruth. Using the original music by Oscar Straus the plot is somewhat loosely based on the Ferenc Molnr play entitled Testr and is unrelated to either the original play or the Oscar Straus operetta.

In order to test his jealous suspicions, Karl hatches a plan to impersonate a Russian singer, Vassily Vassilievitch, and romance Maria in that guise. The plan goes awry however, when Maria seemingly begins to respond to Vassilys advances. Unknown to Karl, Maria has seen through his impersonation, and his thrilled that her husband would go to such lengths for her attention. Even the couples dog sees through Karls disguise. When events come to a head with an onstage confrontation between a disguised Karl and Maria, she reveals her knowledge all along that Vassily was really Karl, and the two live happily ever after, except for Marias continued flirtations.This film is the second adaptation, not a remake, of the play by Ferenc Molnar. The first adaptation was the 1931 film, The Guardsman, which was a nonmusical version starring the husbandwife acting team of Alfred Lunt and Lynn Fontanne. ........

Source: Wikipedia