
Dermot Patrick Mulroney (born October 31, 1963) is an American actor and musician. He is known for his roles in romantic comedy, western, and drama films. Mulroney is known for his work in various films such as Long Gone (1987), Young Guns (1988), Staying Together (1989), Where the Day Takes You (1992), Point of No Return (1993), The Last Outlaw (1993), Angels in the Outfield (1994), My Best Friend's Wedding (1997), About Schmidt (2002), The Wedding Date (2005), Zodiac (2007), August: Osage County (2013), Insidious: Chapter 3 (2015), Scream VI, and Anyone but You (2023). Mulroney played the main antagonist Francis Gibson in NBC's Crisis (2014), Dr. Walter Wallace in Pure Genius (2016–2017), Sean Pierce in Showtime's Shameless (2015–2017), and Bobby Sheridan in USA's The Purge (2018–2019).

Watch What Happens Live with Andy Cohen
TV • 2009

American Dad!
TV • 2005

Shameless
TV • 2011

Friends
TV • 1994

Saturday Night Live
TV • 1975

Chicago Fire
TV • 2012

Chicago P.D.
TV • 2014

Chicago Med
TV • 2015

The Jennifer Hudson Show
TV • 2022

The Colbert Report
TV • 2005

American Horror Story
TV • 2011

The View
TV • 1997

Jimmy Kimmel Live!
TV • 2003

New Girl
TV • 2011

Late Night with Conan O'Brien
TV • 1993

Arrested Development
TV • 2003

Messiah
TV • 2020

The Ellen DeGeneres Show
TV • 2003