Gianni Mantesi was born on December 8, 1924 in Rome, Lazio, Italy as Giovanni Battista Marchesini. He was an actor, known for Ambleto (1981), Racconti del cinquantenario della vittoria 1915-1918 (1968) and La palla al piede (1981). He was married to Grazia Migneco. He died on September 11, 2014 in Milan, Lombardy, Italy.