Hat check man Louis Blore is in love with nightclub star May Daly. May, however, is in love with a poor dancer but wants to marry for money. When Louis wins the Irish Sweepstakes, he asks May to marry him and she accepts even though she doesn't love him. Soon after, Louis has an accident and gets knocked on the head, where he dreams that he's King Louis XV pursuing the infamous Madame Du Barry.
Red Skelton
as Louis Blore / King Louis XV
Lucille Ball
as May Daly / Madame Du Barry
Gene Kelly
as Alec Howe / Black Arrow
Virginia O'Brien
as Ginny
Rags Ragland
as Charlie / Dauphin
Zero Mostel
as Rami - the Swami / Taliostra
Donald Meek
as Mr. Jones / Duc de Choiseul
Douglass Dumbrille
as Willie / Duc de Rigor
George Givot
as Cheezy / Count de Roquefort
Louise Beavers
as Niagara
Tommy Dorsey
as Tommy Dorsey
Hugh Beaumont
as Footman (uncredited)