Keir Gilchrist
Acting • Born 1992-09-28
Biography
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.
Filmography
54 credits
Dead Silence
Movie • 2007
Young Henry
The Featherweight
Movie • 2023
Billy Papaleo Jr.
It's Kind of a Funny Story
Movie • 2010
Craig Gilner
Just Peck
Movie • 2011
Michael Peck
A Lobster Tale
Movie • 2006
Mike Stanton
Hungry Hills
Movie • 2009
Snit
Matty Hanson and the Invisibility Ray
Movie • 2011
Matty Hanson
The Right Way
Movie • 2004
Young David
Running on Empty
Movie • 2024
Mort
It Follows
Movie • 2015
Paul
Dark Summer
Movie • 2015
Daniel
Tales of Halloween
Movie • 2015
The Stranger
The Good Neighbor
Movie • 2016
Sean
Freaky Tales
Movie • 2025
Josh
Share
Movie • 2015
Dylan
Len and Company
Movie • 2015
William
The Stanford Prison Experiment
Movie • 2015
John Lovett
Samantha: An American Girl Holiday
Movie • 2004
Factory Boy
Saint Ralph
Movie • 2005
Kid Collins
The Rocker
Movie • 2008
Moby Type Kid
The Heyday of the Insensitive Bastards
Movie • 2015
Michael
Los
Movie • 2017
Left
Horsie's Retreat
Movie • 2005
Louie (uncredited)
Katie Says Goodbye
Movie • 2018
Matty
Smoke
Movie • 2015
Michael
The Sadness of Johnson Joe Jangles
Movie • 2004
Clint the Boy Doctor
Pisces
Movie • 2017
Alex
Heartthrob
Movie • 2017
Henry Sinclair
Flashback
Movie • 2020
Andre
Castle in the Ground
Movie • 2021
Polo Boy
An Intrusion
Movie • 2021
Layne
The Elvis Room
Movie • 2016
Kurt
Seasick Sailor
Movie • 2013
Penna
By Design
Movie • 2026
Gary
They Follow
Movie
Paul
NightFlirt
Movie
Family Guy
TV • 1999
Kyle (voice)
Room 104
TV • 2017
Alex
The Winner
TV • 2007
Josh McKellar
Life with Derek
TV • 2005
Jamie
United States of Tara
TV • 2009
Marshall Gregson
The Listener
TV • 2009
Daniel / Lisa
ReGenesis
TV • 2004
10 Year Old Boy
Queer As Folk
TV • 2000
Jim Stockwell Jr.
Miss Spider's Sunny Patch Friends
TV • 2004
Squidge (voice)
Family Guy
TV • 1999
Toby (voice)
The Altar Boy Gang
TV • 2007
Neil
Doc
TV • 2001
R.J. Mitchell
Newsreaders
TV • 2013
Ben Hayflack Age 18
Missing
TV • 2003
Danny Sheperd
Delete
TV • 2013
Daniel Gerson
Love & Death
TV • 2023
Ron Adams
Atypical
TV • 2017
Sam Gardner
The Walking Dead: Dead City
TV • 2023
Benjamin Pierce