Mister X
The films lead of Ariano Nanetti (credited as Bob Tonelli) was a local entrepreneur who Avati had me through his assistant Alberto Bartolani. Nanetti was not a professional actor, but a young entrepreneur who stated he could raise one billion Italian lire for the film. Nanetti was hired by Avati, who showed up to the set with a person he introduced as "Mister X" who signed checks for 160 million lire. "Mister X"'s identity was of businessman Carmine Domenico Rizzo.