A dentist buys a small yacht and takes his two children on a cruise of the Mediterranean. His ex-wife stows away to keep an eye on the children and the inevitable happens.
| Actor | Role |
|---|---|
 Laura AntonelliRoberta | Roberta |
 Johnny DorelliDr. Piero Savelli | Dr. Piero Savelli |
 Christian De SicaAttilio | Attilio |
 Cariddi NardulliFiorella Savelli | Fiorella Savelli |
 Itaco NardulliClaudio Savelli | Claudio Savelli |
 Daniela PoggiAlessia | Alessia |
 West BuchananSolo navigator | Solo navigator |
 Franco GiacobiniFugitive #1 | Fugitive #1 |
 Daniele FormicaSalesman | Salesman |
| VVittorio Musy GloriCasorati | Casorati |
 Sal BorgeseFugitive #2 | Fugitive #2 |
| HHelen SterlingLady Hamilton | Lady Hamilton |
 Mimmo Poliparcheggiatore | parcheggiatore |
 Mario DonatoneNot listed | Not listed |
 Ennio AntonelliNot listed | Not listed |
 Rossana CanghiariDentist Patient #2 | Dentist Patient #2 |
 Luciano ZanussiDentist Patient #1 | Dentist Patient #1 |
| AAlessandra LunaBambina | Bambina |
| AAlessia MassoniBambino | Bambino |
| TTommaso MassoniBambino | Bambino |
| CCatullo ScuderoniDentist (Uncredited) | Dentist (Uncredited) |