Keir Gilchrist
Gender Male
Date Of Birth September 28, 1992 (Age 25)
Number of episodes 36
Role Marshall Gregson

Keir David Peters Gilchrist (born September 28, 1992) is a Canadian actor. Gilchrist is known for playing teen Marshall Gregson on Showtime's original series United States of Tara, starring in the 2010 drama-comedy It's Kind of a Funny Story" and Netflix's 2017 original series, "Atypical."


Year Film Role
2003Queer as FolkJim Stockwell, Jr.
2004Saint RalphKid Collins
DocR. J. Mitchell
2005Horsie's RetreatLouie
1-800-MissingDanny Shepard
2006A Lobster TaleMike Stanton
2007Life with DerekJamie
Dead SilenceYoung Henry
Family GuyKyle
The WinnerJosh McKellar
2008The RockerMoby Type Kid
2009Just PeckMichael Peck
The ListenerDaniel/Lisa
2009-2011United States of Tara(Tv Series)Marshall Gregson
2010It's Kind of a Funny StoryCraig