Sylvester Gardenzio Stallone ( born July 6 , 1946 ) , nicknamed Sly Stallone , is an Italian American actor , director , producer and screenwriter . Sylvester Stallone ( stÉ Ë loÊ n ; born July 6 , 1946 ) , nicknamed Sly Stallone , is an American actor , filmmaker , screenwriter , film director and occasional painter .