| Il Boss | |
|---|---|
Italian film poster | |
| Directed by | Fernando di Leo |
| Screenplay by | Fernando di Leo |
| Based on | Mafioso by Peter McCurtin |
| Produced by | Armando Novelli |
| Starring | |
| Cinematography | Franco Villa |
| Edited by | Amedeo Giomini |
| Music by | Luis Enriquez Bacalov |
Production company | Cineproduzioni Daunia 70 |
| Distributed by | Alherat |
Release date |
|
Running time | 111 minutes |
| Country | Italy |
| Box office | ₤774.172 million |

Il Boss (En. The Boss, also known as Murder Inferno) is a 1973 Italian poliziottesco film written and directed by Fernando Di Leo, and starring Henry Silva, Richard Conte, Gianni Garko, amnd Antonia Santilli. It is the final part of Di Leo's Milieu Trilogy, also consisting of Milano calibro 9 and La mala ordina, both released in 1972. The screenplay is based on the novel Mafioso by American author Peter McCurtin.
Nick Lanzetta (Henry Silva) takes out several members of a rival crime family for his boss Don Corrasco (Richard Conte). The enemy clan attempts retribution by kidnapping an associate's daughter, who turns out to be a nymphomaniac. A violent power struggle within the Mafia ensues.
Il Boss was released in Italy on 1 February 1973, where it was distributed by Alherat. The film grossed a total of ₤774.172 million Italian lira on its release.