Sergio Altieri est né en 1952 à Milan, Lombardie, Italie. Il était scénariste. Il est connu pour Assassin Warrior (1996), L'imprévue (1989) et Natas Corp. Il est mort le 16 juin 2017 à Milan, Lombardie, Italie.
In 1984 wrote a screenplay from the novel "The Years of the Quiet Sun" by Wilson Tucker, 1970. No movie ever been made, though. The screenplay was published in Italy is issue 54 of "Urania Collezione" science fiction book series (July, 2007) along with Tucker original novel.
