Dermot Mulroney (born October 31, 1963) is an American actor. He is known for his roles in romantic comedy, western, and drama films. Appearing on screen since 1986, he is known for his work in various films such as Young Guns (1988), Staying Together (1989), Where the Day Takes You (1992), Point of No Return (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), and the HBO films The Last Outlaw (1993) and Long Gone (1987). 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).
Known For
Anyone But You
(2023)
Leo
Ruthless
(2023)
Harry Sumner
Lights Out
(2024)
Sage Parker
The Grey
(2012)
Jerome Talget
Scream VI
(2023)
Detective Bailey
Agent Game
(2022)
Harris
Dirty Grandpa
(2016)
David Kelly
Zodiac
(2007)
Martin Lee
Copycat
(1995)
Ruben Goetz
Umma
(2022)
Danny
Insidious: Chapter 3
(2015)
Sean Brenner
The Mountain Between Us
(2017)
Mark Robertson
The Courier
(2019)
Special Agent Roberts
Career Opportunities
(1991)
Nestor Pyle
My Best Friend's Wedding
(1997)
Michael O'Neal
Big Miracle
(2012)
Colonel Scott Boyer
Full Filmography
Acting
Sin of Innocence
(1986)
Tim McGary
Shattered: If Your Kid's on Drugs
(1986)
Long Gone
(1987)
Jamie Weeks
Daddy
(1987)
Bobby
Young Guns
(1988)
Dirty Steve Stephens
Survival Quest
(1988)
Gray
Sunset
(1988)
Michael Alperin
Staying Together
(1989)
Kit McDermott
Longtime Companion
(1989)
John
Unconquered
(1989)
Richmond Flowers Jr.
Bright Angel
(1990)
George Russell
Career Opportunities
(1991)
Nestor Pyle
Where the Day Takes You
(1992)
King
The Heart of Justice
(1992)
Elliot Burgess
Samantha
(1992)
Henry
Point of No Return
(1993)
J. P.
The Last Outlaw
(1993)
Eustis
The Thing Called Love
(1993)
Kyle Davidson
Silent Tongue
(1993)
Reeves McCree
Family Pictures
(1993)
Mack
Bad Girls
(1994)
Josh McCoy
There Goes My Baby
(1994)
Pirate
Angels in the Outfield
(1994)
Roger's Father
Copycat
(1995)
Ruben Goetz
How to Make an American Quilt
(1995)
Sam
Living in Oblivion
(1995)
Wolf
Kansas City
(1996)
Johnny O'Hara
Box of Moonlight
(1996)
Wick
The Trigger Effect
(1996)
Joe
Heroine of Hell
(1996)
Callum
Bastard Out of Carolina
(1996)
Lyle Parsons
My Best Friend's Wedding
(1997)
Michael O'Neal
Goodbye Lover
(1999)
Jake Dunmore
Trixie
(2000)
Dex Lang
Where the Money Is
(2000)
Wayne
Lovely & Amazing
(2001)
Kevin McCabe
About Schmidt
(2002)
Randall Hertzel
The Safety of Objects
(2002)
Jim Train
Intimate Affairs
(2002)
Edgar
Undertow
(2004)
John Munn
Hair High
(2004)
Rod (voice)
The Wedding Date
(2005)
Nick Mercer
Must Love Dogs
(2005)
Bob
The Family Stone
(2005)
Everett Stone
Griffin & Phoenix
(2006)
Henry Griffin
Zodiac
(2007)
Martin Lee
Georgia Rule
(2007)
Dr. Simon Ward
Gracie
(2007)
Bryan Bowen
Dante's Inferno
(2007)
Dante (voice)
The Memory Keeper's Daughter
(2008)
Dr. David Henry
Burn After Reading
(2008)
Star of "Coming Up Daisy"
Flash of Genius
(2008)
Gil Previck
Inhale
(2010)
Paul Stanton
Jolene
(2010)
Uncle Phil
The Family Tree
(2011)
Jack Burnett
J. Edgar
(2011)
Colonel Schwarzkopf
Silent Witness
(2011)
Tony Lord
Abduction
(2011)
Martin Price
The Grey
(2012)
Jerome Talget
Big Miracle
(2012)
Colonel Scott Boyer
Beyond
(2012)
Jack Musker
Struck by Lightning
(2012)
Neal Phillips
Trade of Innocents
(2012)
Alex Becker
Stoker
(2013)
Richard Stoker
A Glimpse Inside the Mind of Charles Swan III
(2013)
Doctor
August: Osage County
(2013)
Steve Huberbrecht
Jobs
(2013)
Mike Markkula
The Rambler
(2013)
The Rambler
Space Warriors
(2013)
Andy Hawkins
Careful What You Wish For
(2015)
Eliott Harper
Northpole: Open for Christmas
(2015)
Ian
Insidious: Chapter 3
(2015)
Sean Brenner
The D Train
(2015)
Dermot Mulroney
The Gettysburg Address
(2015)
Andrew Curtin (voice)
Truth
(2015)
Lawrence Lanpher
Sacrifice
(2015)
Justin
Dirty Grandpa
(2016)
David Kelly
Lavender
(2016)
Patrick Ryan
There's Something About Romcoms
(2016)
Self
Sleepless
(2017)
Stanley Rubino
The Mountain Between Us
(2017)
Mark Robertson
The Christmas Train
(2017)
Tom Langdon
I Still See You
(2018)
August
Monster Challenge
(2018)
Ben's Agent
Flesh & Blood
(2018)
Henry Tooms
Cats
(2018)
Blanket
SGT. Will Gardner
(2019)
Buddy
The Courier
(2019)
Special Agent Roberts
Hard Luck Love Song
(2021)
Rollo
The Blazing World
(2021)
Tom Winter
Deadly Illusions
(2021)
Tom Morrison
Montford: The Chickasaw Rancher
(2021)
Boggy Johnson
Christmas Is Canceled
(2021)
Dad - Jack Lockhart
Umma
(2022)
Danny
The Inhabitant
(2022)
Ben
Along for the Ride
(2022)
Robert West
Agent Game
(2022)
Harris
Gone in the Night
(2022)
Ryan Barlowe
Section 8
(2022)
Sam Ramsey
You’re Killing Me
(2023)
Congressman Schroder
Shooting Stars
(2023)
Keith Dambrot
Breakwater
(2023)
Ray Childress
The Warrant: Breaker's Law
(2023)
Dead-Eye / Yule Bronson
Ruthless
(2023)
Harry Sumner
Scream VI
(2023)
Detective Bailey
Anyone But You
(2023)
Leo
The Getback
(2023)
Chief Joe Milazzo
The Dirty South
(2023)
Jeb Roy
A Dark Way Out
(2023)
Stan
Lights Out
(2024)
Sage Parker
Production
Directing