| Birth Day | October 31, 1963 |
| Birth Place | Alexandria, VA |
| Dermot Mulroney age | 60 YEARS OLD |
| Birth Sign | Scorpio |
Supporting actor best known for his roles in the films My Best Friend's Wedding, About Schmidt, and Insidious: Chapter 3. He also had a five episode stint on Fox's New Girl and appeared in six episodes of HBO's Enlightened.
He performed as a Cellist in school and local orchestras and acted in children's community theater.
His father was a professor at the Villanova University School of Law.
He married Catherine Keener in 1990, and the couple had a son in 1999.
Julia Roberts was his co-star in the film My Best Friend's Wedding.
