<Ul> <Li> Actor </Li> <Li> producer </Li> </Ul> <Tr> <Th> Years active </Th> <Td> 1995--present </Td> </Tr> <P> Milo Anthony Ventimiglia (/ vɛntɪˈmiːljə /; born July 8, 1977) is an American actor . After a series of roles in television series and parts in independent films, he gained international recognition for his roles as Jess Mariano on the television series Gilmore Girls from 2002 to 2006, and as Peter Petrelli on the NBC series Heroes from 2006 to 2010 . He currently stars as Jack Pearson on the NBC drama This Is Us . </P> <P> Ventimiglia made his film debut playing a gay teenager in the anthology film Boys Life 2 (1997) before being cast in the short - lived Fox series Opposite Sex in 2000 . His later roles include Richard Thorne on The WB's The Bedford Diaries, a recurring role as Meg Pryor's love interest on NBC's American Dreams, and Rocky Balboa's son (Rocky Jr .) in the sixth installment of the Rocky series, Rocky Balboa (2006). He starred as Peter Petrelli on NBC's Heroes from 2006 to 2010, for which he received nominations for Teen Choice, Saturn and People's Choice Awards . He also had roles in the horror films Pathology (2008) and Kiss of the Damned (2013). </P>

Who does milo ventimiglia play on this is us