Is a big fan of Warren Zevon.

Attended Barnstable High School in Massachusetts.

Is one of 6 children, has 4 brothers and one sister.

Daughter, Catherine "Cate" Maggie (born on May 14, 2007).

Was named Mr. BHS his senior year at Barnastable High School. (a male spoof on the Junior Miss Pageant).

Like Tin-Man costar, Zooey Deschanel, he appeared in advertising for the clothing chain The GAP.

Son, Morgan (born November 2005).

His brother Gerard appeared as a contestant on an episode of Who Wants To Be A Millionaire. He left with $32 000 after incorrectly guessing the answer on the $64 000 question.

His parents are Peg and Frank McDonough, both of whom immigrated from Ireland, with his mother coming from County Tipperary, Province of Munster, and his father from County Galway, Province of Connacht.

Decided to give up on acting until his manager got him a meeting and audition for "Band of Brothers". His work on that led to Steven Spielberg casting him in "Minority Report".

His character Lieutenant Hawk in Star Trek: First Contact (1996) was originally written as the first openly gay character in any Star Trek series or movie, but all references to his sexual orientation were written out of later drafts of the screenplay. The character was later confirmed as having been gay in the Star Trek tie-in novel Section 31: Rogue by Andy Mangels and Michael A. Martin.