Griffith at the 2013 Toronto International Film Festival
|Born||Gattlin Tadd Griffith
November 13, 1998 
Gattlin Tadd Griffith (born November 13, 1998) is an American child actor, best known for portraying Walter Collins in the 2008 film Changeling. He also had episodic roles on TV series such as Supernatural.
Griffith was born to Wendy and Tad Griffith, a stuntman. He has three younger brothers, Callder (born June 30), Arrden and Garrison. He now plays football for the Santa Clarita Warriors, he attends Bishop Alemany High School class of 2017. He starred in the films Under the Bed and Labor Day.
|2008||Changeling||Walter James Collins, Jr.|
|2009||Uncorked||Lucas "Luke" Browning|
|The New Daughter||Samuel "Sam" James|
|2010||Blood Done Sign My Name||Timothy "Tim" Tyson|
|The River Why||Bill Bob|
|2011||Green Lantern||Young Harold "Hal" Jordan|
|2012||Under the Bed||Paulie Hausman|
|2013||Labor Day||Henry Wheeler|
|2006||Untold Stories of the ER||Brian Bogert||Life and Limb|
|2007||Cold Case||Clayton "Clay" Hathaway||Offender|
|How I Met Your Mother||Boy||Something Blue|
|Monk||Matthew||Mr. Monk and the Wrong Man|
|2008||Unhitched||Helmet Boy||Conjoined Twins Pitch No-Hitter|
|Eli Stone||Young Eli Stone||Happy Birthday, Nate|
|2009||Eleventh Hour||Nicholas "Nicky" Harris||Miracle|
|Without a Trace||Travis Feretti||Undertow|
|Supernatural||Jesse Turner||I Believe the Children Are Our Future|
|2010||Castle||Tyler Donegal||Murder Most Fowl|
|Criminal Minds||Robert Brooks||Into the Woods|
- Home Depot as Jake/Son
- Yamaha as Son
- Mass Mutual as Brother
- Disney Parks as Boy
- Burger King (2009) as Boy (3 Commercials)
- Gattlin, Tad and Wendy Griffith (2010-11-05). "Official Facebook". Retrieved 2010-11-05.
- Alex (2010-11-05). "Gattlin Griffith Online". Retrieved 2010-11-05.
- Peter Scieretta (2010-11-05). "Angela Bassett and Gattlin Griffith join Green Lantern". /Film. Retrieved 2010-11-05.
- Borys Kit (14 May 2011). "The New Indie Horror Flick Stars Jonny Weston and Gattlin Griffith". Hollywood Reporter. Retrieved April 24, 2012.
- Matthew Belloni (17 April 2012). "Jason Reitman Casts Child Star for Next Film 'Labor Day'". Hollywood Reporter. Retrieved April 24, 2012.
|Wikimedia Commons has media related to Gattlin Griffith.|