Joseph Mazzello

Joseph Mazzello is an American actor, director and writer who began his acting career at a young age. He gained international recognition as Tim Murphy in Steven Spielberg's 'Jurassic Park' (1993), later reprising the role in 'The Lost World: Jurassic Park' (1997). During his childhood, he also appeared in films including 'Radio Flyer' (1992), 'Shadowlands' (1993), 'The River Wild' (1994) and 'Simon Birch' (1998). After studying film and television production at the University of Southern California, he continued to develop his career both as an actor and as a filmmaker.As an adult, Mazzello earned further recognition for portraying Eugene Sledge in the HBO miniseries 'The Pacific' (2010). That same year, he played Facebook co-founder Dustin Moskovitz in David Fincher's 'The Social Network'. He subsequently appeared in television series including 'Justified', 'Person of Interest', 'Elementary' and 'Impeachment: American Crime Story'. In 'Bohemian Rhapsody' (2018), Mazzello portrayed Queen bassist John Deacon. He also made his feature directorial debut with the sports drama 'Undrafted' (2016), in which he also starred. In 2026, he returned to the big screen with 'Monument', portraying Amnon Rechter.

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