Fast Facts

  • Worked as a waiter in the Transit Authority dining room on the 44th floor of the World Trade Center for three years.
  • Starred in regional theater before breaking into movies.
  • Gained 40 pounds to play John Gotti in Witness to the Mob (1998).
  • Provided the voice of Sonny Forelli in the video game Grand Theft Auto. 
  • Has freely admitted his past addiction to drugs and credits friend and Heat costar Robert De Niro with getting him into rehab.
  • Appeared on the shows Celebrity Rehab With Dr. Drew and Sober House With Dr. Drew in 2010; credits Dr. Drew Pinsky and drug counselor Bob Forrest with saving his life.
  • Hobbies include playing intramural football, drawing and reading.


  • 1998, Screen Actors Guild Awards — Outstanding Performance by a Cast in a Motion Picture: Nominee
  • 2000, Golden Globe — Best Performance by an Actor in a Miniseries or Motion Picture Made for Television: Nominee


  • Thomas Sizemore — Father
  • Jagger Sizemore — Son
  • Judith Sizemore — Mother
  • Jayden Sizemore — Son
  • Heidi Fleiss — Ex-significant Other
  • Maeve Quinlan — Ex-wife
  • Paul Sizemore — Brother
  • Janelle McIntire — Ex-significant Other


  • Attended Michigan State University, East Lansing, MI; Wayne State university, Detroit, MI (BFA in Theater); Temple University, Philadelphia, PA (MFA in Theater, 1986)

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  • Birth Name: Thomas Edward Sizemore Jr.
  • Birth Place: Detroit, MI
  • Profession: Actor

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