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).

2011 • TV

1994 • TV

2014 • TV

2005 • TV

2023 • Movie

2023 • Movie
as Leo
as Detective Bailey
as Martin Lee
as Self
as Ruben Goetz
as Jerome Talget
as Jack Burnett
as Dirty Steve Stephens
as Simon Ward
as Nestor Pyle
as King
as Michael O'Neal
as John Munn
as John
as Paul Stanton
as Everett Stone
as Sage Parker
as Harris
as Mr. Evers
as Ryan Barlowe
Director
Director
Producer
as Sean Pierce
23 episodes
as Gavin Mitchell
3 episodes
as Battalion Chief Dom Pascal
1 episodes
as Jesse (voice)
1 episodes
as Battalion Chief Dom Pascal
33 episodes
as Self - Guest
2 episodes
as Bob Thompson
3 episodes
as Battalion Chief Dom Pascal
1 episodes
as Self - Cameo (uncredited)
1 episodes
as Russell Schiller
8 episodes
as Self - Guest
1 episodes
as Self
1 episodes
as Dusty
6 episodes
as Greg Tanner
5 episodes
as Self
1 episodes
as Self
2 episodes
as Self - Guest
1 episodes
as President Ritson
6 episodes
as John Wesley Seasons
4 episodes
as Jed Banks
8 episodes