He has appeared in many movies, including the leading man role in My Best Friend's Wedding alongside Julia Roberts and Cameron Diaz.
Dermot Mulroney was married to actress Catherine Keener, but they have announced their divorce after 17 years of marriage; they are the parents of Clyde Mulroney.
Dermot Mulroney's father is a law professor at Villanova University School of Law. His brother is actor Kieran Mulroney.
Dermot Mulroney may sometimes be confused with actor Dylan McDermott.
Dermot Mulroney played Gavin Mitchell on Friends. His character dated Rachel for one episode but they broke up when it became too complicated between them with Ross.
- The Family Stone (2005)
- Must Love dogs (2005)
- The Wedding Date (2005)
- About Schmidt (2002)
- Trixie (2000)
- My Best Friend's Wedding (1997)
- Bastard Out of Carolina (1996)
- How to Make an American Quilt (1995)
- Bad Girls (1994)
- Silent Tongue (1994)
- Point of No Return (1993)
- Where the Day Takes You (1992)
- Samantha (1992)
- Longtime Companion (1990)
- Young Guns (1988)