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A.J. Buckley
ACTOR

A.J. Buckley

Known for Supernatural · The Good Dinosaur · The Mentalist

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).

Snapshot 2026-10-15

Born
Feb 9, 1977
Birthplace
Dublin, Ireland
Known For
Acting

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).

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Known For

TVSupernatural
SupernaturalEd Zeddmore · 2005
★ 8.3
MOVIEThe Good Dinosaur
The Good DinosaurNash (voice) · 2015
★ 6.8
TVThe Mentalist
The MentalistAaron "Ace" Brunell · 2008
★ 8.4
TVThe X-Files
The X-FilesDude · 1993
★ 8.4
TVBones
BonesDan · 2005
★ 8.2
TVHawaii Five-0
Hawaii Five-0Julius Brennan · 2010
★ 7.7
TVSEAL Team
SEAL TeamSonny Quinn · 2017
★ 8.0
TVCSI: Crime Scene Investigation
CSI: Crime Scene InvestigationTed Martin · 2000
★ 7.6

Filmography

Movies

Disturbing BehaviorCharles 'Chug' Roman
1998
In a Class of His OwnJake Matteson
1999
Random Acts of ViolenceJohnathan
1999
ConvergenceStanley Kobus
2000
Deal of a LifetimeAxe
2000
The In CrowdWayne
2000
Extreme DaysWill
2001
MotocrossedJimmy Bottles
2001
The ForsakenMike
2001
100 WomenJesse
2002
NightstalkerSamo
2002
SA
Scream at the Sound of the BeepPeter
2002
WishcraftHowie
2002
Blue CarPat
2003
Silent WarningsLayne Vossimer
2003
In Enemy HandsMedical Officer
2004
Wild RoomiesReno
2004
ManticorePvt. Sulley
2005
Happy Feet(voice)
2006
Jimmy and JudyBuddy
2006
You Did What?Greg Porter
2006
The BoxDanny Schamus
2007
The Last Sin EaterAngor Forbes
2007
Walking Tall: The PaybackHarvey Morris
2007
Christmas MailMatt Sanders
2010
Wolverine and the X-Men: Fate of the FutureMortimer Toynbee (voice) (archive footage)
2010
Doomsday ProphecyEric Fox
2011
SkatelandTeddy Tullos
2011
Zombie HamletMarvin
2012
Home Sweet HellMurphy
2015
Home Sweet HellProducer
2015
The Good DinosaurNash (voice)
2015
Sergio and SergeiDetective Hall
2018
BarkThe Outdoorsman
2024
LaRoy, TexasStranded Man
2024
Hunting SeasonDavenport
2025

Television

Are You Afraid of the Dark?Lonnie · 1 eps
1992
The X-FilesDude · 1 eps
1993
MillenniumJosh Comstock · 1 eps
1996
Jack & JillMitch · 1 eps
1999
CSI: Crime Scene InvestigationTed Martin · 1 eps
2000
The DistrictGaines · 1 eps
2000
Without a TraceRichie Dobson · 1 eps
2002
CSI: NYAdam Ross · 129 eps
2004
EntourageDave · 1 eps
2004
The Collector1 eps
2004
BonesDan · 1 eps
2005
Fat ActressMcG Stand-In · 1 eps
2005
SupernaturalEd Zeddmore · 3 eps
2005
The MentalistAaron "Ace" Brunell · 1 eps
2008
GhostfacersEd Zeddmore · 10 eps
2010
Hawaii Five-0Julius Brennan · 1 eps
2010
JustifiedDanny Crowe · 9 eps
2010
Republic of DoyleAlex Marshall · 1 eps
2010
LongmireKeith Dixon · 1 eps
2012
Teenage Mutant Ninja TurtlesPigeon Pete (voice) · 3 eps
2012
Teenage Mutant Ninja TurtlesPete (voice) · 1 eps
2012
Murder in the FirstMarty 'Junior' McCormack · 12 eps
2014
NarcosKevin Brady · 1 eps
2015
Rush HourSteven · 1 eps
2016
PureBronco · 6 eps
2017
SEAL TeamSonny Quinn · 112 eps
2017
Fire CountryCo-Producer
2022

Photos

A.J. Buckley photo
A.J. Buckley photo
A.J. Buckley photo
A.J. Buckley photo
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