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.
Rock Hudson
as Robert L. Talbot
Gina Lollobrigida
as Lisa Helena Fellini
Sandra Dee
as Sandy Stevens
Bobby Darin
as Tony
Walter Slezak
as Maurice Clavell
Brenda De Banzie
as Margaret Allison
Rossana Rory
as Anna
Ronald Howard
as Spencer
Joel Grey
as Beagle
Ronnie Haran
as Sparrow
Christopher Seitz
as Larry
Cindy Conroy
as Julia
