Savino La Gastra discovers his wife Celeste has a liaison with an architect: Andrea. Even if also Savino has a story with Elvira, a judge's wife, he decides anyway to ask to a mobster to kill his wife. In the mean time Celeste is organizing a surprise party for Savino's birthday, and that day things start to get complicated. First Savino kills accidentally the mafia killer in charge to kill Celeste; second his lover Elvira arrives to the party with the judge... not to mention the police and the mafia Don...
| Actor | Role |
|---|---|
 Barbara BouchetCeleste La Grasta | Celeste La Grasta |
 Lino BanfiSavino La Grasta | Savino La Grasta |
 Alida ChelliZelmira | Zelmira |
 Teo TeocoliAndrea Soldani | Andrea Soldani |
 Daniele VargasUlderico | Ulderico |
 Ugo BolognaDon Vito | Don Vito |
 Pippo SantonastasoCesarino | Cesarino |
 Umberto AmambriniGiacinto Cimarosa | Giacinto Cimarosa |
 Angelo BoscariolSalvatore Malagò | Salvatore Malagò |
 Eros ButtaglieriLucrezio, a guest at the party | Lucrezio, a guest at the party |
 Rossana CanghiariGuest at the party | Guest at the party |
 Tom FelleghyGuest at the party | Guest at the party |
 Luciano FotiGuest at the party | Guest at the party |
 Giuseppe MarroccoBarman | Barman |
 Giulio MassiminiGuest at the party | Guest at the party |
 Teresa Rossi PassanteGuest at the party | Guest at the party |
 Jacques StanySaruzzo, the killer | Saruzzo, the killer |
 Maurizio StreccioniGuest at the party | Guest at the party |
 Isabella ZanussiGuest at the party | Guest at the party |