Norman Taurog Director George Gobel George "Hotsy" Hamilton II Actor Mitzi Gaynor Jean Harris, aka Countess Louise Actor David Niven Colonel Patrick Henry Harris Actor Reginald Gardiner Gerald Actor Fred Clark Horace Hamilton Actor Harry Bellaver Marty Kennedy Actor Hans Conried Duc Jacques de Montaigne Actor Margery Maude Mrs. Hamilton Actor Clinton Sundberg Purser Actor Milton Frome Assistant Butler Actor Rex Evans Burrows Actor King Donovan Waiter Actor Mary Treen Mrs. Burnside Actor Charles Lane Charlie Jenkins Actor Paul Jones Producer