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
The Grey
(2012)
Jerome Talget
Anyone But You
(2023)
Leo
Ruthless
(2023)
Harry Sumner
Lights Out
(2024)
Sage Parker
Scream VI
(2023)
Detective Bailey
The Mountain Between Us
(2017)
Mark Robertson
Agent Game
(2022)
Harris
Dirty Grandpa
(2016)
David Kelly
Zodiac
(2007)
Martin Lee
The Courier
(2019)
Special Agent Roberts
Insidious: Chapter 3
(2015)
Sean Brenner
Sleepless
(2017)
Stanley Rubino
Career Opportunities
(1991)
Nestor Pyle
Umma
(2022)
Danny
Abduction
(2011)
Martin Price
Copycat
(1995)
Ruben Goetz
Full Filmography
Acting
Shattered: If Your Kid's on Drugs
(1986)
Sin of Innocence
(1986)
Tim McGary
Long Gone
(1987)
Jamie Weeks
Daddy
(1987)
Bobby
Survival Quest
(1988)
Gray
Young Guns
(1988)
Dirty Steve Stephens
Sunset
(1988)
Michael Alperin
Unconquered
(1989)
Richmond Flowers Jr.
Longtime Companion
(1989)
John
Staying Together
(1989)
Kit McDermott
Bright Angel
(1990)
George Russell
Career Opportunities
(1991)
Nestor Pyle
The Heart of Justice
(1992)
Elliot Burgess
Where the Day Takes You
(1992)
King
Samantha
(1992)
Henry
The Thing Called Love
(1993)
Kyle Davidson
Point of No Return
(1993)
J. P.
The Last Outlaw
(1993)
Eustis
Silent Tongue
(1993)
Reeves McCree
Family Pictures
(1993)
Mack
Bad Girls
(1994)
Josh McCoy
Angels in the Outfield
(1994)
Roger's Father
There Goes My Baby
(1994)
Pirate
Living in Oblivion
(1995)
Wolf
How to Make an American Quilt
(1995)
Sam
Copycat
(1995)
Ruben Goetz
Bastard Out of Carolina
(1996)
Lyle Parsons
Heroine of Hell
(1996)
Callum
The Trigger Effect
(1996)
Joe
Box of Moonlight
(1996)
Wick
Kansas City
(1996)
Johnny O'Hara
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
The Safety of Objects
(2002)
Jim Train
About Schmidt
(2002)
Randall Hertzel
Intimate Affairs
(2002)
Edgar
Undertow
(2004)
John Munn
Hair High
(2004)
Rod (voice)
The Family Stone
(2005)
Everett Stone
The Wedding Date
(2005)
Nick Mercer
Must Love Dogs
(2005)
Bob
Griffin & Phoenix
(2006)
Henry Griffin
Gracie
(2007)
Bryan Bowen
Georgia Rule
(2007)
Dr. Simon Ward
Zodiac
(2007)
Martin Lee
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
Abduction
(2011)
Martin Price
Silent Witness
(2011)
Tony Lord
J. Edgar
(2011)
Colonel Schwarzkopf
The Grey
(2012)
Jerome Talget
Big Miracle
(2012)
Colonel Scott Boyer
Beyond
(2012)
Jack Musker
Trade of Innocents
(2012)
Alex Becker
Struck by Lightning
(2012)
Neal Phillips
Jobs
(2013)
Mike Markkula
The Rambler
(2013)
The Rambler
A Glimpse Inside the Mind of Charles Swan III
(2013)
Doctor
August: Osage County
(2013)
Steve Huberbrecht
Space Warriors
(2013)
Andy Hawkins
Stoker
(2013)
Richard Stoker
Insidious: Chapter 3
(2015)
Sean Brenner
Northpole: Open for Christmas
(2015)
Ian
The D Train
(2015)
Dermot Mulroney
Careful What You Wish For
(2015)
Eliott Harper
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
The Christmas Train
(2017)
Tom Langdon
Sleepless
(2017)
Stanley Rubino
The Mountain Between Us
(2017)
Mark Robertson
Monster Challenge
(2018)
Ben's Agent
Flesh & Blood
(2018)
Henry Tooms
Cats
(2018)
Blanket
I Still See You
(2018)
August
SGT. Will Gardner
(2019)
Buddy
The Courier
(2019)
Special Agent Roberts
Deadly Illusions
(2021)
Tom Morrison
The Blazing World
(2021)
Tom Winter
Montford: The Chickasaw Rancher
(2021)
Boggy Johnson
Christmas Is Canceled
(2021)
Dad - Jack Lockhart
Hard Luck Love Song
(2021)
Rollo
Along for the Ride
(2022)
Robert West
Umma
(2022)
Danny
The Inhabitant
(2022)
Ben
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
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
Breakwater
(2023)
Ray Childress
The Dirty South
(2023)
Jeb Roy
A Dark Way Out
(2023)
Stan
Lights Out
(2024)
Sage Parker
Blackwater Lane
(2024)
Matthew
Production
Directing