
Dublin, Ireland
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).

as Dan

as Ed Zeddmore
2005

as Aaron "Ace" Brunell
2008

as Dan
2005

as Ted Martin
2000

as Julius Brennan
2010

as Dude
1993

as Adam Ross
2004

as Richie Dobson
2002

as Sonny Quinn
2017

as Dave
2004

as Kevin Brady
2015

as Pigeon Pete (voice)
2012
as Stranded Man
2024

as Davenport
2025

as The Outdoorsman
2024

as Stranded Man
2024

as Detective Hall
2018

as Nash (voice)
2015

as Murphy
2015

as Marvin
2012

as Eric Fox
2011

as Teddy Tullos
2011

as Matt Sanders
2010

as Mortimer Toynbee (voice) (archive footage)
2010

as Harvey Morris
2007

as Angor Forbes
2007

as Danny Schamus
2007

as (voice)
2006

as Greg Porter
2006

as Buddy
2006

as Pvt. Sulley
2005

as Reno
2004

as Medical Officer
2004

as Layne Vossimer
2003

as Pat
2003

as Samo
2002

as Jesse
2002
as Dan
1 ep.

as Ed Zeddmore
3 episodes

as Aaron "Ace" Brunell
1 episodes

as Dan
1 episodes

as Ted Martin
1 episodes

as Julius Brennan
1 episodes

as Dude
1 episodes

as Adam Ross
129 episodes

as Richie Dobson
1 episodes

as Sonny Quinn
112 episodes

as Dave
1 episodes

as Kevin Brady
1 episodes

as Pigeon Pete (voice)
3 episodes

as Danny Crowe
9 episodes

as Keith Dixon
1 episodes

as Josh Comstock
1 episodes

as Gaines
1 episodes

as Lonnie
1 episodes

as Alex Marshall
1 episodes

as Marty 'Junior' McCormack
12 episodes

1 episodes

1 episodes

as Steven
1 episodes

as McG Stand-In
1 episodes

as Bronco
6 episodes
Co-Producer