|Ethel Merman||Sally Adams|
|Donald O'Connor||Kenneth Gibson|
|George Sanders||General Cosmo Constantine|
|Billy De Wolfe||Pemberton Maxwell|
|Helmut Dantine||Prince Hugo|
|Walter Slezak||Augustin Tantinnin|
|Steven Geray||Prime Minister Sebastian|
Washington appoints a small-minded social butterfly as a U.S. Ambassador in this film adaptation based on the satirical stage musical. When Sally Adams arrives in Lichtenburg, her bright personality charms everyone she meets. She slips her political obligations aside to focus on a budding romance with Cosmo Constantine, the country's foreign minister -- and at the same time, her attaché pursues a relationship with the princess.