As of July 2026, Joseph Mazzello is best known for Person of Interest and Justified. Find every show and movie Joseph Mazzello has starred in — and where to watch them — below.
Joseph Mazzello

Joseph Mazzello

Actor Born 1983 Rhinebeck, New York, USA 6 TV Shows 8 Movies

Joseph Francis Mazzello (born September 21, 1983), sometimes credited as Joe Mazzello, is an American actor, director, and screenwriter. He is best known for his roles as Tim Murphy in Jurassic Park (1993), Eugene Sledge in the HBO miniseries The Pacific (2010), Dustin Moskovitz in The Social Network (2010) and Queen bass player John Deacon in the biopic Bohemian Rhapsody (2018).

His first film appearance was a small role in 1990 film Presumed Innocent. He then went on to appear in Radio Flyer, Jersey Girl and the TV film Desperate Choices: To Save My Child in 1992. In 1993, he gained further recognition after starring in Steven Spielberg's Jurassic Park as Tim Murphy and in Richard Attenborough's Shadowlands. He later appeared in 1994's The River Wild. In 1995, he had roles in The Cure and Three Wishes. His first film role in 2001 was in Wooly Boys. In 2002, he made his television debut on Providence. He then appeared on CBS' hit shows CSI: Crime Scene Investigation and Without a Trace. Afterwards, he appeared in Raising Helen (2004), The Hollow (2004), The Sensation of Sight (2006), and the short film Beyond All Boundaries (2009). He made his directorial debut with the short film Matters of Life and Death (2007).

In 2010, Mazzello played Dustin Moskovitz in the David Fincher-directed film The Social Network. His performance was well-received by critics, and he and the cast were nominated for several awards. He went on to appear in G.I. Joe: Retaliation as G.I. Joe operative Mouse in 2013, and starred as John Deacon in the 2018 Queen biopic, Bohemian Rhapsody.

Description above is from the Wikipedia article Joseph Mazzello, licensed under CC-BY-SA, full list of contributors on Wikipedia.

Alongside acting, Joseph Mazzello is also known as a director, writer, screenwriter.

Joseph Mazzello's most notable role to date came in Jurassic Park (1993), where he played Tim. He also appeared in Bohemian Rhapsody (2018) as John Deacon. Most recently appeared in The Social Network (2010) as Dustin Moskovitz.

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📺 Joseph Mazzello's TV Shows

Person of Interest
Daniel Casey
2011
Justified
Billy St. Cyr
2010
American Crime Story
Paul Begala
2016
Providence
Tony
1999
The Pacific
Eugene Sledge
2010
Coma
Geoffrey Fairweather
2012

🎬 Joseph Mazzello's Movies

The Social Network
Dustin Moskovitz
2010
Jurassic Park
Tim
1993
Bohemian Rhapsody
John Deacon
2018
G.I. Joe: Retaliation
Mouse
2013
Presumed Innocent
Wendell McGaffney
1990
The River Wild
Roarke Hartman
1994
The Cure
Dexter
1995
Raising Helen
Prom Date Peter
2004

📝 Created / Written by Joseph Mazzello

Undrafted
Director
2016

Never Miss a Show Starring Joseph Mazzello

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