Thomas John Guiry was born on October 12, 1981 in Trenton, New Jersey. He is an American actor.

His most notable appearances were in The Sandlot, Mystic River, The Mudge Boy, and The Four Diamonds. Guiry played Jimmy Donnelly on the NBC drama The Black Donnellys.

He also appeared in Lassie (1994), U-571 (2000) and Black Hawk Down (2001).

Filmography

• Yonkers Joe (2007)
• "The Black Donnellys" (13 episodes, 2007)
• Black Irish (2007)
• Prisoner (2007)
• "Law & Order: Criminal Intent" (1 episode, 2006)
• Steel City (2006)
• Strangers with Candy (2005)
• Bristol Boys (2005)
• "The Jury" (1 episode, 2004)
• Strip Search (2004)
• Mystic River (2003)
• Justice (2003)
• The Mudge Boy (2003)
• "Law & Order: Special Victims Unit" (1 episode, 2002)
• We Were the Mulvaneys (2002)
• Black Hawk Down (2001)
• Scotland, Pa. (2001)
• Songs in Ordinary Time (2000)
• Tigerland (2000)
• U-571 (2000)
• Ride with the Devil (1999/I)
• "Law & Order" (1 episode, 1998)
• Strike! (1998)
• Wrestling with Alligators (1998)
• The Last Home Run (1996)
• The Four Diamonds (1995)
• Lassie (1994)
• The Sandlot (1993)
• A Place to Be Loved (1993)