Fast Facts

  • His parents own and operate a dance studio in New York.
  • Was cast as the son of Debra Winger in Shadowlands (1993) and as the son of Meryl Streep in The River Wild (1994).
  • In 1994, he was nominated for a Saturn award and won a Young Artist award for his work in Jurassic Park.
  • Appeared alongside his brother, John, in Simon Birch.
  • In 2007, he wrote, directed, coproduced and starred in Matters of Life and Death.


  • Mary Mazzello — Sister
  • John Mazzello — Brother
  • Ginny Mazzello — Mother
  • Joseph Mazzello Jr. — Father


  • University of Southern California, Los Angeles, CA

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  • Birth Name: Joseph Mazzello III
  • Birth Place: Rhinebeck, NY
  • Birthday: September 21, 1983, Virgo
  • Profession: Actor, Director

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