Despite this being an Italian production, the original script was actually written in English.
The Spanish actor who played the film's main villain Crazy Bull could not speak any English & consequently didn't have much interaction with Robert Iannucci off camera.
The producers were interested in Robert Iannucci for the lead because of his work as a model in Calvin Klein ads.
The film's star Robert Iannucci's last name is purposely misspelled "Jannucci" in the credits because it's much more commonly spelled that way in Italy.
According to the film's start Robert Iannucci, the movie took 10 weeks to shoot and was 70% shot in Spain.