Keir Gilchrist
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as Gary By Design Released
February 13, 2026 ComedyFantasyRomance
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
It Follows
as Paul
It's Kind of a Funny Story
as Craig Gilner
Dead Silence
as Young Henry
The Stanford Prison Experiment
as John Lovett
The Rocker
as Moby Type Kid
Tales of Halloween
as The Stranger
The Good Neighbor
as Sean
Flashback
as Andre
Freaky Tales
as Josh
Dark Summer
as Daniel
Saint Ralph
as Kid Collins
Heartthrob
as Henry Sinclair
Katie Says Goodbye
as Matty
Samantha: An American Girl Holiday
as Factory Boy
The Heyday of the Insensitive Bastards
as Michael
Running on Empty
as Mort
Just Peck
as Michael Peck
Len and Company
as William
A Lobster Tale
as Mike Stanton
Castle in the Ground
as Polo Boy