
A.J. Buckley
Biography
Alan John 'A.J.' Buckley (born February 9, 1977) is an Irish-Canadian actor. He is known for playing nerdy crime lab technician Adam Ross on the CSI: NY (2005–2013) and Navy SEAL Sonny Quinn on the series SEAL Team (2017–). He also had roles in Supernatural (2006–2014), The Box (2007), Home Sweet Hell (2015), and as the voice of Nash in The Good Dinosaur (2015).
Known For

TV
Bones
Dan
2005

TV
Supernatural
Ed Zeddmore
2005

TV
The Mentalist
Aaron "Ace" Brunell
2008

TV
CSI: Crime Scene Investigation
Ted Martin
2000

TV
The X-Files
Dude
1993

TV
Hawaii Five-0
Julius Brennan
2010

TV
Entourage
Dave
2004

Film
Hunting Season
Davenport
2025

TV
SEAL Team
Sonny Quinn
2017

TV
CSI: NY
Adam Ross
2004

TV
Without a Trace
Richie Dobson
2002

TV
Narcos
Kevin Brady
2015

TV
Longmire
Keith Dixon
2012

TV
Justified
Danny Crowe
2010

TV
Teenage Mutant Ninja Turtles
Pigeon Pete (voice)
2012

TV
Teenage Mutant Ninja Turtles
Pete (voice)
2012

TV
Millennium
Josh Comstock
1996

TV
Republic of Doyle
Alex Marshall
2010

TV
The District
Gaines
2000

TV
Are You Afraid of the Dark?
Lonnie
1992
Filmography
2025FilmHunting Seasonas Davenport2024FilmBarkas The Outdoorsman2024FilmLaRoy, Texasas Stranded Man2018FilmSergio and Sergeias Detective Hall2017TVSEAL Teamas Sonny Quinn2017TVPureas Bronco2016TVRush Houras Steven2015FilmThe Good Dinosauras Nash (voice)2015TVNarcosas Kevin Brady2015FilmHome Sweet Hellas Murphy2014TVMurder in the Firstas Marty 'Junior' McCormack2012TVTeenage Mutant Ninja Turtlesas Pigeon Pete (voice)2012TVLongmireas Keith Dixon2012FilmZombie Hamletas Marvin2011FilmDoomsday Prophecyas Eric Fox2011FilmSkatelandas Teddy Tullos2010FilmChristmas Mailas Matt Sanders2010TVHawaii Five-0as Julius Brennan2010TVGhostfacersas Ed Zeddmore2010TVJustifiedas Danny Crowe2010FilmWolverine and the X-Men: Fate of the Futureas Mortimer Toynbee (voice) (archive footage)2010TVRepublic of Doyleas Alex Marshall2008TVThe Mentalistas Aaron "Ace" Brunell2007FilmWalking Tall: The Paybackas Harvey Morris2007FilmThe Last Sin Eateras Angor Forbes2007FilmThe Boxas Danny Schamus2006FilmHappy Feetas (voice)2006FilmYou Did What?as Greg Porter2006FilmJimmy and Judyas Buddy2005FilmManticoreas Pvt. Sulley2005TVBonesas Dan2005TVSupernaturalas Ed Zeddmore2005TVFat Actressas McG Stand-In2004TVCSI: NYas Adam Ross2004TVEntourageas Dave2004FilmWild Roomiesas Reno2004TVThe Collector2004FilmIn Enemy Handsas Medical Officer2003FilmSilent Warningsas Layne Vossimer2003FilmBlue Caras Pat2002FilmNightstalkeras Samo2002Film100 Womenas Jesse2002TVWithout a Traceas Richie Dobson2002FilmWishcraftas Howie2002FilmScream at the Sound of the Beepas Peter2001FilmExtreme Daysas Will2001FilmThe Forsakenas Mike2001FilmMotocrossed!as Jimmy Bottles2000FilmDeal of a Lifetimeas Axe2000TVThe Districtas Gaines2000TVCSI: Crime Scene Investigationas Ted Martin2000FilmConvergenceas Stanley Kobus2000FilmThe In Crowdas Wayne1999FilmIn a Class of His Ownas Jake Matteson1999TVJack & Jill1999FilmRandom Acts of Violenceas Johnathan1998FilmDisturbing Behavioras Charles 'Chug' Roman1996TVMillenniumas Josh Comstock1993TVThe X-Filesas Dude1992TVAre You Afraid of the Dark?as Lonnie