Keir Gilchrist

Acting

Keir Gilchrist

Born September 28, 1992London, England, UK53 credits

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.

Known For

By Design
4.3

By Design

Movie

2026

Freaky Tales
6.3

Freaky Tales

Movie

2025

Running on Empty
5.7

Running on Empty

Movie

2024

The Featherweight
5.1

The Featherweight

Movie

2023

The Walking Dead: Dead City
7.9

The Walking Dead: Dead City

TV

2023

Love & Death
7.8

Love & Death

TV

2023

Filmography

By Design
2026By Designas GaryMovie
Freaky Tales
2025Freaky Talesas JoshMovie
Running on Empty
2024Running on Emptyas MortMovie
The Featherweight
2023The Featherweightas Billy Papaleo Jr.Movie
The Walking Dead: Dead City
2023The Walking Dead: Dead Cityas Benjamin PierceTV
Love & Death
2023Love & Deathas Ron AdamsTV
An Intrusion
2021An Intrusionas LayneMovie
Castle in the Ground
2021Castle in the Groundas Polo BoyMovie
Flashback
2020Flashbackas AndreMovie
Katie Says Goodbye
2018Katie Says Goodbyeas MattyMovie
Pisces
2017Piscesas AlexMovie
Heartthrob
2017Heartthrobas Henry SinclairMovie
Atypical
2017Atypicalas Sam GardnerTV
Room 104
2017Room 104as AlexTV
L
2017Losas LeftMovie
The Good Neighbor
2016The Good Neighboras SeanMovie
The Elvis Room
2016The Elvis Roomas KurtMovie
Tales of Halloween
2015Tales of Halloweenas The StrangerMovie
Len and Company
2015Len and Companyas WilliamMovie
The Stanford Prison Experiment
2015The Stanford Prison Experimentas John LovettMovie
S
2015Smokeas MichaelMovie
The Heyday of the Insensitive Bastards
2015The Heyday of the Insensitive Bastardsas MichaelMovie
Share
2015Shareas DylanMovie
It Follows
2015It Followsas PaulMovie
Dark Summer
2015Dark Summeras DanielMovie
Seasick Sailor
2013Seasick Sailoras PennaMovie
Delete
2013Deleteas Daniel GersonTV
Newsreaders
2013Newsreadersas Ben Hayflack Age 18TV
Matty Hanson and the Invisibility Ray
2011Matty Hanson and the Invisibility Rayas Matty HansonMovie
Just Peck
2011Just Peckas Michael PeckMovie
It's Kind of a Funny Story
2010It's Kind of a Funny Storyas Craig GilnerMovie
Hungry Hills
2009Hungry Hillsas SnitMovie
The Listener
2009The Listeneras Daniel / LisaTV
United States of Tara
2009United States of Taraas Marshall GregsonTV
The Rocker
2008The Rockeras Moby Type KidMovie
T
2007The Altar Boy Gangas NeilTV
Dead Silence
2007Dead Silenceas Young HenryMovie
The Winner
2007The Winneras Josh McKellarTV
A Lobster Tale
2006A Lobster Taleas Mike StantonMovie
Life with Derek
2005Life with Derekas JamieTV
Saint Ralph
2005Saint Ralphas Kid CollinsMovie
Horsie's Retreat
2005Horsie's Retreatas Louie (uncredited)Movie
Samantha: An American Girl Holiday
2004Samantha: An American Girl Holidayas Factory BoyMovie
The Right Way
2004The Right Wayas Young DavidMovie
ReGenesis
2004ReGenesisas 10 Year Old BoyTV
Miss Spider's Sunny Patch Friends
2004Miss Spider's Sunny Patch Friendsas Squidge (voice)TV
T
2004The Sadness of Johnson Joe Janglesas Clint the Boy DoctorMovie
Missing
2003Missingas Danny SheperdTV
Doc
2001Docas R.J. MitchellTV
Queer As Folk
2000Queer As Folkas Jim Stockwell Jr.TV
Family Guy
1999Family Guyas Kyle (voice)TV
They Follow
—They Followas PaulMovie
N
—NightFlirtMovie