Come September (1961)

Robert Talbot, an American millionaire, arrives early for his annual vacation at his luxurious Italian villa. His long-time girlfriend Lisa has given up waiting for him and has decided to marry another man. Meanwhile, his sneaky business associate Maurice secretly misappropriates the villa as a hotel while Talbot is away. The current guests of the “hotel” are a group of young American girls.
Robert Mulligan, Joseph E. Kenney
Rock Hudson, Gina Lollobrigida, Sandra Dee, Bobby Darin, Walter Slezak, Brenda De Banzie, Rossana Rory, Ronald Howard, Joel Grey, Ronnie Haran, Christopher Seitz, Cindy Conroy, Joan Freeman, Nancy Anderson, Michael Eden, Claudia Brack, Nello Appodia, Liliana Celli, Pietro De Vico, Liana Del Balzo, Charles Fawcett, Betty Foa, Giacomo Furia, Anna Maestri, Renato Malavasi, Edy Nogara, Mimmo Poli, Stella Rho, John Stacy, Helen Stirling, Francesco Tensi, Milena Vukotić
tt0054759