After receiving his doctorate in law, winning several medals as a swimmer, and participating in the Helsinki Olympics in the Italian national team, he starred in Quo Vadis, his first movie, as the emperor's guard.
Following an unsignificant movie and business career, he met Terence Hill to make together the Italian Western film God forgives, I don't. They call me Trinity, Flatfoot Cop and others followed and both stars became famous, especially in Europe.
Bud Spencer also wrote the screenplays and lyrics of some of his films.