Acting · London, England, UK · Born September 28, 1992
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.
MovieBy Design
2026
as Gary
MovieFreaky Tales
2025
as Josh
MovieRunning on Empty
2024
as Mort
MovieDEEP CUT
2024
as Director
MovieThe Featherweight
2023
as Billy Papaleo Jr.
TVThe Walking Dead: Dead City
2023
as Benjamin Pierce
TVLove & Death
2023
as Ron Adams
MovieAn Intrusion
2021
as Layne
MovieFlashback
2021
as Andre
MovieCastle in the Ground
2021
as Polo Boy
MovieKatie Says Goodbye
2018
as Matty
MoviePisces
2017
as Alex
MovieHeartthrob
2017
as Henry Sinclair
TVAtypical
2017
as Sam Gardner
TVRoom 104
2017
as Alex
Los
2017
as Left
MovieThe Good Neighbor
2016
as Sean
MovieThe Elvis Room
2016
as Kurt
MovieTales of Halloween
2015
as The Stranger
MovieLen and Company
2015
as William
MovieThe Stanford Prison Experiment
2015
as John Lovett
Smoke
2015
as Michael
MovieThe Heyday of the Insensitive Bastards
2015
as Michael
MovieShare
2015
as Dylan
MovieIt Follows
2015
as Paul
MovieDark Summer
2015
as Daniel
MovieSeasick Sailor
2013
as Penna
TVDelete
2013
as Daniel Gerson
TVNewsreaders
2013
as Ben Hayflack Age 18
MovieMatty Hanson and the Invisibility Ray
2011
as Matty Hanson
MovieJust Peck
2011
as Michael Peck
MovieIt's Kind of a Funny Story
2010
as Craig Gilner
MovieHungry Hills
2009
as Snit
TVThe Listener
2009
as Daniel / Lisa
TVUnited States of Tara
2009
as Marshall Gregson
MovieThe Rocker
2008
as Moby Type Kid
The Altar Boy Gang
2007
as Neil
MovieDead Silence
2007
as Young Henry
TVThe Winner
2007
as Josh McKellar
MovieA Lobster Tale
2006
as Mike Stanton
TVLife with Derek
2005
as Jamie
MovieSaint Ralph
2005
as Kid Collins
MovieHorsie's Retreat
2005
as Louie (uncredited)
MovieSamantha: An American Girl Holiday
2004
as Factory Boy
MovieThe Right Way
2004
as Young David
TVReGenesis
2004
as 10 Year Old Boy
TVMiss Spider's Sunny Patch Friends
2004
as Squidge (voice)
The Sadness of Johnson Joe Jangles
2004
as Clint the Boy Doctor
TVMissing
2003
as Danny Sheperd
TVDoc
2001
as R.J. Mitchell
TVQueer as Folk
2000
as Jim Stockwell Jr.
TVFamily Guy
1999
as Kyle (voice)
NightFlirt
