Second part of Fernando Di Leo's "Milieu Trilogy" also including Caliber 9 (1972) and The Boss (1973).

German Import DVD has a Super-8mm Version (German language only), as a special feature on the disc.

Actors Adolfo Celi and Luciana Paluzzi both starred in the Bond film Thunderball (1965) together.

Mario Adorf's real voice is heard in the English language version.