Keir Gilchrist
- Child actor
- Teen actor
Keir David Peters Gilchrist (born 28 September 1992) is a Canadian actor and musician. On television, he portrayed Marshall Gregson on the Showtime comedy-drama United States of Tara (2009–2011) and headlined the Netflix comedy-drama Atypical (2017–2021). His film roles include the comedy-drama It's Kind of a Funny Story (2010) and the supernatural horror It Follows (2014). Outside of his acting career, Gilchrist is the vocalist of grindcore band Whelm and death metal band Phalanx.
Acted in
Freaky Tales
2025
as Josh
By Design
2025
as Gary
Running on Empty
2024
as Mort
The Featherweight
2023
as Billy Papaleo Jr.
Love & Death
2023
as Ron Adams
An Intrusion
2021
as Layne
Castle in the Ground
2021
as Polo Boy
Flashback
2020
as Andre
Katie Says Goodbye
2018
as Matty
Pisces
2017
as Alex
Heartthrob
2017
as Henry Sinclair
Atypical
2017
as Sam Gardner
Room 104
2017
as Alex
Los
2017
as Left
The Good Neighbor
2016
as Sean
The Elvis Room
2016
as Kurt
Tales of Halloween
2015
as The Stranger
Len and Company
2015
as William
The Stanford Prison Experiment
2015
as John Lovett
Smoke
2015
as Michael
The Heyday of the Insensitive Bastards
2015
as Michael
Share
2015
as Dylan
It Follows
2015
as Paul
Dark Summer
2015
as Daniel
Seasick Sailor
2013
as Penna
Delete
2013
as Daniel Gerson
Matty Hanson and the Invisibility Ray
2011
as Matty Hanson
Just Peck
2011
as Michael Peck
It's Kind of a Funny Story
2010
as Craig Gilner
Hungry Hills
2009
as Snit
The Listener
2009
as Daniel / Lisa
United States of Tara
2009
as Marshall Gregson
The Rocker
2008
as Moby Type Kid
The Altar Boy Gang
2007
as Neil
Dead Silence
2007
as Young Henry
The Winner
2007
as Josh McKellar
A Lobster Tale
2006
as Mike Stanton
Life with Derek
2005
as Jamie
Saint Ralph
2005
as Kid Collins
Horsie's Retreat
2005
as Louie (uncredited)
Samantha: An American Girl Holiday
2004
as Factory Boy
The Right Way
2004
as Young David
ReGenesis
2004
as 10 Year Old Boy
The Sadness of Johnson Joe Jangles
2004
as Clint the Boy Doctor
Miss Spider's Sunny Patch Friends
2004
as Squidge (voice)
Missing
2003
as Danny Sheperd
Doc
2001
as R.J. Mitchell
Queer As Folk
2000
as Jim Stockwell Jr.
Family Guy
1999
as Kyle (voice)
Family Guy
1999
as Toby (voice)