Keir Gilchrist

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.
Cast

Dead Silence
Young Henry

The Featherweight
Billy Papaleo Jr.

It's Kind of a Funny Story
Craig Gilner

Just Peck
Michael Peck

A Lobster Tale
Mike Stanton

Hungry Hills
Snit
Matty Hanson and the Invisibility Ray
Matty Hanson

The Right Way
Young David

Running on Empty
Mort

It Follows
Paul

Dark Summer
Daniel

Tales of Halloween
The Stranger

The Good Neighbor
Sean

Freaky Tales
Josh

Share
Dylan

Len and Company
William

The Stanford Prison Experiment
John Lovett

Saint Ralph
Kid Collins

Samantha: An American Girl Holiday
Factory Boy

The Rocker
Moby Type Kid

The Heyday of the Insensitive Bastards
Michael
Los
Left

Horsie's Retreat
Louie (uncredited)

Katie Says Goodbye
Matty
Smoke
Michael
The Sadness of Johnson Joe Jangles
Clint the Boy Doctor

Pisces
Alex

Heartthrob
Henry Sinclair

Flashback
Andre

Castle in the Ground
Polo Boy

An Intrusion
Layne

The Elvis Room
Kurt

Seasick Sailor
Penna

By Design
Gary

They Follow
Paul