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).

Filmography

• 2026The Lightkeeper — Father MacGabbhan
• 2025The Gettysburg Address — Theodore Parker (voice)
• The Walsh Sisters — Daddy Walsh
• Rematch — Roger Laver
• 2023Daughter of the Bride — Bruce
• 2022Blacklight — Gabriel Robinson
• 2021Spiked — John Wilson
• The American Guest — Theodore Roosevelt
• 2018Change in the Air — Moody Burkhart
• 2013If I Were You — Derek
• 2013Rushlights — Cameron Brogden
• 2013Stay — Dermot
• 2013The Last Keepers — John
• 2012Allegiance — Lieutenant Colonel Owens
• Elementary — Thomas Gregson, Director
• 2012Festival of Lights — Adem
• 2012The Horses of McBride — Matt Davidson
• 2012The Stand Up — Sandy
• Prime Suspect — Kevin Sweeney
• 2011The Greening of Whitney Brown — Henry Brown
• 2011Unknown — Martin B.
• 2010Across the Line: The Exodus of Charlie Wright — Charlie Wright
• Blue Bloods — Gus Vanderlip
• 2010Flipped — Richard Baker
• 2010Jonah Hex — Ulysses S. Grant
• 2010Sarah's Key — William Rainsferd
• 2010The 5th Quarter — Steven Abbate
• 2009A Shine of Rainbows — Alec
• 2009From Ararat to Zion — Narrator
• 2009Handsome Harry — Prof. Porter
• 2009The Eclipse — Nicholas Holden
• White Collar — Professor George Oswald
• Canterbury's Law — Matt Furey
• 2008Dark Matter — Jacob Reiser
• 2008The Prince of Motor City — Charlie Hamilton
• 2008Wild Child — Gerry Moore
• 200732A — Frank Brennan
• 2007Bury My Heart at Wounded Knee — Henry Dawes
• The Book of Daniel — Daniel Webster
• 2006The Exonerated — Kerry Max Cook
• Empire Falls — David Roby
• 2005Mayday — John Berry
• 2005Nine Lives — Henry
• Weeds — CEO
• 2004Bobby Jones: Stroke of Genius — Harry Vardon
• 2004Cavedweller — Clint Windsor
• 2004Miracle Run — Douglas Thomas
• 2004Plainsong — Tom Guthrie
• 2004Proud — Commodore Alfred Lind
• 2004Return to Sender — Frank Nitzche
• 2004See You in My Dreams — Joe F. Brown
• 2004Shadow of Fear — Detective Scofield
• 2003Benedict Arnold: A Question of Honor — Gen. Benedict Arnold
• 2003Song for a Raggy Boy — William Franklin
• 2002Evelyn — Nick Barron
• 2002Stolen Summer — Joe O'Malley
• Night Visions — Jeremy Bell (segment "The Passenger List")
• 2001Songcatcher — Tom Bledsoe
• 2000The Prince and the Pauper — Miles Hendon
• 2000Two of Us — Paul McCartney
• 1999In Dreams — Paul Cooper
• Law & Order: Special Victims Unit — Ben Nicholson, Burton Lowe
• 1999Music of the Heart — Brian
• Third Watch — John Miller
• 1999This Is My Father — Kieran O'Day, Executive Producer
• 1998Practical Magic — Gary Hallet
• 1997Commandments — Seth Warner
• 1997Forbidden Territory: Stanley's Search for Livingstone — Henry Morton Stanley
• 1997The Assignment — Annibal Ramirez / Carlos
• 1997The Irish in America — Narrator
• 1996Looking for Richard — Richmond
• 1996Michael Collins — Harry Roland
• 1995Haunted — Professor David Ash
• 1995Lumière & Company — (segment "John Boorman")
• 1995Out of Ireland — Maurice Woulfe (voice)
• 1995The Stars Fell on Henrietta — Don Day
• Baseball — (voice)
• 1994Legends of the Fall — Alfred Ludlow
• 1994Mary Shelley's Frankenstein — Cap. Robert Walton
• 1993Benny & Joon — Benjamin 'Benny' Pearl
• 1993Blink — Detective John Hallstrom
• 1992A Private Matter — Bob Finkbine
• 1992The Playboys — Tom Casey
• 1991At Play in the Fields of the Lord — Martin Quarrier
• 1991Lies of the Twins — James McEwan / Jonathan McEwan
• 1990Avalon — Jules Kaye
• 1990The Handmaid's Tale — Nick
• 1989Crusoe — Crusoe
• 1989Perfect Witness — Samuel De Valera Paxton
• 1989The Lemon Sisters — Frankie McGuinness
• 1987All My Sons — Chris Keller
• 1987Stakeout — Richard "Stick" Montgomery
• 1986The Mission — Felipe Mendoza
• 1985An Early Frost — Michael Pierson
• 1985Desperately Seeking Susan — Dez
• 1984Reckless — Johnny Rourke
• American Playhouse — Chris Keller
• Hallmark Hall of Fame — Tom Guthrie
• Ages of the Moon — Director, Producer
• Butterfly in the Typewriter — Barnet Rosset
• Hal — Professor Tigues
• Little Audrey — Bishop Ryan
• The Body Is Water — John Umley
• The Well of Saint Nobody

Appearances as themselves (9)

• 2023A Journey to Sundance — Self
• 2020Babenco: Tell Me When I Die — Self (archive footage)
• 2017Arthur Miller: Writer — Self (archive footage)
• 2011Muide Éire — Self
• 2009Irish Chicago — Self - Host
• The View — Self
• Late Night with Conan O'Brien — Self - Guest
• LIVE with Kelly and Mark — Self - Guest
• The Late Late Show — Self