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.

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Known For

Family Guy

1999 • as Kyle (voice)

Family Guy

1999 • as Toby (voice)

Queer As Folk

2000 • as Jim Stockwell Jr.

The Listener

2009 • as Daniel / Lisa

Atypical

2017 • as Sam Gardner

Life with Derek

2005 • as Jamie

Filmography

2025

Freaky Tales

as Josh

Movie - Released: 4/4/2025

By Design

as Gary

Movie - Released: 1/23/2025

2024

Running on Empty

as Mort

Movie - Released: 8/9/2024

2023

The Featherweight

as Billy Papaleo Jr.

Movie - Released: 9/3/2023

Love & Death

as Ron Adams

TV - Released: 4/27/2023

2021

Castle in the Ground

as Polo Boy

Movie - Released: 1/4/2021

An Intrusion

as Layne

Movie - Released: 11/26/2021

2020

Flashback

as Andre

Movie - Released: 10/8/2020

2018

Katie Says Goodbye

as Matty

Movie - Released: 3/8/2018

2017

Movie

Los

as Left

Movie - Released: 7/21/2017

Pisces

as Alex

Movie - Released: 10/16/2017

Heartthrob

as Henry Sinclair

Movie - Released: 10/10/2017

Room 104

as Alex

TV - Released: 7/28/2017

Atypical

as Sam Gardner

TV - Released: 8/11/2017

2016

The Good Neighbor

as Sean

Movie - Released: 9/16/2016

The Elvis Room

as Kurt

Movie - Released: 7/25/2016

2015

It Follows

as Paul

Movie - Released: 2/4/2015

Dark Summer

as Daniel

Movie - Released: 1/9/2015

Tales of Halloween

as The Stranger

Movie - Released: 10/16/2015

as Dylan

Movie - Released: 3/14/2015

Len and Company

as William

Movie - Released: 9/11/2015

The Stanford Prison Experiment

as John Lovett

Movie - Released: 7/17/2015

The Heyday of the Insensitive Bastards

as Michael

Movie - Released: 3/25/2015

Movie

Smoke

as Michael

Movie - Released: 4/1/2015

2013

Seasick Sailor

as Penna

Movie - Released: 11/24/2013

Newsreaders

as Ben Hayflack Age 18

TV - Released: 1/17/2013

Delete

as Daniel Gerson

TV - Released: 8/19/2013

2011

Just Peck

as Michael Peck

Movie - Released: 2/16/2011

Movie

Matty Hanson and the Invisibility Ray

as Matty Hanson

Movie - Released: 3/1/2011

2010

It's Kind of a Funny Story

as Craig Gilner

Movie - Released: 10/8/2010

2009

Movie

Hungry Hills

as Snit

Movie - Released: 9/16/2009

United States of Tara

as Marshall Gregson

TV - Released: 1/18/2009

The Listener

as Daniel / Lisa

TV - Released: 6/4/2009

2008

The Rocker

as Moby Type Kid

Movie - Released: 8/20/2008

2007

Dead Silence

as Young Henry

Movie - Released: 3/16/2007

The Winner

as Josh McKellar

TV - Released: 3/4/2007

The Altar Boy Gang

as Neil

TV - Released: 5/11/2007

2006

A Lobster Tale

as Mike Stanton

Movie - Released: 1/1/2006

2005

Saint Ralph

as Kid Collins

Movie - Released: 8/5/2005

Horsie's Retreat

as Louie (uncredited)

Movie - Released: 1/27/2005

Life with Derek

as Jamie

TV - Released: 9/18/2005

2004

The Right Way

as Young David

Movie - Released: 11/17/2004

Samantha: An American Girl Holiday

as Factory Boy

Movie - Released: 11/23/2004

Movie

The Sadness of Johnson Joe Jangles

as Clint the Boy Doctor

Movie - Released: 9/11/2004

ReGenesis

as 10 Year Old Boy

TV - Released: 10/24/2004

Miss Spider's Sunny Patch Friends

as Squidge (voice)

TV - Released: 9/7/2004

2003

Missing

as Danny Sheperd

TV - Released: 8/2/2003

2001

Doc

as R.J. Mitchell

TV - Released: 3/11/2001

2000

Queer As Folk

as Jim Stockwell Jr.

TV - Released: 12/3/2000

1999

Family Guy

as Kyle (voice)

TV - Released: 1/31/1999

Family Guy

as Toby (voice)

TV - Released: 1/31/1999