During World War II an Italian secret agent is sent undercover to kill the head of the resistance in Budapest.
| Release Date | July 10, 1969 | |
|---|---|---|
| Status | Released | |
| Original Title | La porta del cannone | |
| Runtime | 1h 32min | |
| Budget | — | |
| Revenue | — | |
| Language | Italian | |
| Original Language | Italian | |
| Production Countries | France, Italy, Yugoslavia | |
| Production Companies | Prodi CinematograficaParis Étoile FilmTriglav film | |