Trivia

Of the over 70 films he directed during his lifetime, "Execution Squad" is the only one in which Steno was credited under his real name, Stefano Vanzina.

Steno originally wrote the script for another director, but they dropped out because they were uncomfortable with a film so critical of the police.

Cyril Cusack's entire part was filmed in two days.

The lead role was originally offered to Lando Buzzanca.

Italian censorship visa # 59835 delivered on 24 February 1972.