Aidan Quinn (born March 8, 1959) is an American actor. He made his film debut in Reckless (1984) and has starred in over 80 feature films, including Desperately Seeking Susan (1985), The Mission (1986), Stakeout (1987), All My Sons (1987), Avalon (1990), Benny & Joon (1993), Legends of the Fall (1994), Mary Shelley's Frankenstein (1994), Michael Collins (1996), Practical Magic (1998), Song for a Raggy Boy (2003), Wild Child (2008) and Unknown (2011). He also played Captain Thomas "Tommy" Gregson on the CBS television series Elementary (2012–19).
Quinn has received two Primetime Emmy Award nominations for his performances in the television films An Early Frost (1985) and Bury My Heart at Wounded Knee (2007). Highly active in Irish cinema and the United States, Quinn is a four-time Irish Film and Television (IFTA) Award nominee, winning Best Supporting Actor in a Film for the Conor McPherson film The Eclipse (2009).
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Known For
The Gettysburg Address
Theodore Parker (voice)
2025
Food Fight
Daniel
2025
Rematch
Roger Laver · (6 episodes)
2024
Daughter of the Bride
Bruce
2023
Blacklight
Gabriel Robinson
2022
The American Guest
Theodore Roosevelt · (4 episodes)
2021
Spiked
John Wilson
2021
A Journey to Sundance
Self
2021
Babenco: Tell Me When I Die
Self (archive footage)
2020
Change in the Air
Moody Burkhart
2018
Arthur Miller: Writer
Self (archive footage)
2017
Stay
Dermot
2013
Rushlights
Cameron Brogden
2013
If I Were You
Derek
2013
The Last Keepers
John
2013
Allegiance
Lieutenant Colonel Owens
2012
The Horses of McBride
Matt Davidson
2012
Festival of Lights
Adem
2012
Elementary
Thomas Gregson · (154 episodes)
2012
The Stand Up
Sandy
2012
The Greening of Whitney Brown
Henry Brown
2011
Prime Suspect
Kevin Sweeney · (13 episodes)
2011
Unknown
Martin B.
2011
Across the Line: The Exodus of Charlie Wright
Charlie Wright
2010
Sarah's Key
William Rainsferd
2010
Flipped
Richard Baker
2010
Jonah Hex
Ulysses S. Grant
2010
The 5th Quarter
Steven Abbate
2010
White Collar
Professor George Oswald · (1 episode)
2009
A Shine of Rainbows
Alec
2009
From Ararat to Zion
Narrator
2009
Handsome Harry
Prof. Porter
2009
The Eclipse
Nicholas Holden
2009
Irish Chicago
Self - Host
2009
Wild Child
Gerry Moore
2008
The Prince of Motor City
Charlie Hamilton
2008
Dark Matter
Jacob Reiser
2008
Canterbury's Law
Matt Furey · (6 episodes)
2008
32A
Frank Brennan
2007
Bury My Heart at Wounded Knee
Henry Dawes
2007
The Exonerated
Kerry Max Cook
2006
The Book of Daniel
Daniel Webster · (4 episodes)
2006
Mayday
John Berry
2005
Nine Lives
Henry
2005
Weeds
CEO · (4 episodes)
2005
Empire Falls
David Roby · (2 episodes)
2005
Return to Sender
Frank Nitzche
2004
Shadow of Fear
Detective Scofield
2004
Miracle Run
Douglas Thomas
2004
Proud
Commodore Alfred Lind
2004
See You in My Dreams
Joe F. Brown
2004
Cavedweller
Clint Windsor
2004
Bobby Jones: Stroke of Genius
Harry Vardon
2004
Plainsong
Tom Guthrie
2004
Song for a Raggy Boy
William Franklin
2003
Benedict Arnold: A Question of Honor
Gen. Benedict Arnold
2003
Evelyn
Nick Barron
2002
Stolen Summer
Joe O'Malley
2002
Night Visions
Jeremy Bell (segment "The Passenger List") · (1 episode)
2001
Songcatcher
Tom Bledsoe
2001
The Prince and the Pauper
Miles Hendon
2000
Two of Us
Paul McCartney
2000
Music of the Heart
Brian
1999
Third Watch
John Miller · (5 episodes)
1999
Law & Order: Special Victims Unit
Ben Nicholson · (1 episode)
1999
Law & Order: Special Victims Unit
Burton Lowe · (2 episodes)
1999
This Is My Father
Kieran O'Day
1999
In Dreams
Paul Cooper
1999
Practical Magic
Gary Hallet
1998
Forbidden Territory: Stanley's Search for Livingstone
Henry Morton Stanley
1997
The Assignment
Annibal Ramirez / Carlos
1997
The View
Self · (3 episodes)
1997
Commandments
Seth Warner
1997
Michael Collins
Harry Roland
1996
Looking for Richard
Richmond
1996
Lumière & Company
(segment "John Boorman")
1995
Haunted
Prof. David Ash
1995
The Stars Fell on Henrietta
Don Day
1995
Out of Ireland
Maurice Woulfe (voice)
1995
Legends of the Fall
Alfred Ludlow
1994
Mary Shelley's Frankenstein
Cap. Robert Walton
1994
Out of Ireland: The Story of Irish Emigration to America
Maurice Woulfe (voice)
1994
Blink
Detective John Hallstrom
1993
Benny & Joon
Benjamin 'Benny' Pearl
1993
A Private Matter
Bob Finkbine
1992
The Playboys
Tom Casey
1992
At Play in the Fields of the Lord
Martin Quarrier
1991
Lies of the Twins
James McEwan / Jonathan McEwan
1991
Avalon
Jules Kaye
1990
The Handmaid's Tale
Nick
1990
The Lemon Sisters
Frankie McGuinness
1989
Perfect Witness
Sam Paxton
1989
Crusoe
Crusoe
1988
Stakeout
Richard "Stick" Montgomery
1987
The Mission
Felipe Mendoza
1986
An Early Frost
Michael Pierson
1985
Desperately Seeking Susan
Dez
1985
Reckless
Johnny Rourke
1984
The Well of Saint Nobody
Cry from the Sea
Father MacGabbhan
Butterfly in the Typewriter
Barnet Rosset
LIVE with Kelly and Mark
Self - Guest · (1 episode)
1988
All My Sons
Chris Keller
1987
Ages of the Moon
Baseball
(voice) · (2 episodes)
1994
The Late Late Show
Self · (1 episode)
1962
Hallmark Hall of Fame
Tom Guthrie · (1 episode)
1951