United States of Tara Wiki
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
2003 Queer as Folk Jim Stockwell, Jr.
2004 Saint Ralph Kid Collins
Doc R. J. Mitchell
2005 Horsie's Retreat Louie
1-800-Missing Danny Shepard
2006 A Lobster Tale Mike Stanton
2007 Life with Derek Jamie
Dead Silence Young Henry
Family Guy Kyle
The Winner Josh McKellar
2008 The Rocker Moby Type Kid
2009 Just Peck Michael Peck
The Listener Daniel/Lisa
2009-2011 United States of Tara(Tv Series) Marshall Gregson
2010 It's Kind of a Funny Story Craig