Actor profile

Keir Gilchrist

28th September 1992 London, England, UK Acting

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.

32 Movies 17 TV Shows 54 Credits

Filmography

Movies & TV Shows

By Design poster

By Design 13th February 2026 as Gary

Freaky Tales poster

Freaky Tales 4th April 2025 as Josh

Running on Empty poster

Running on Empty 9th August 2024 as Mort

DEEP CUT poster

DEEP CUT 20th July 2024 as Director

The Featherweight poster

The Featherweight 3rd September 2023 as Billy Papaleo Jr.

An Intrusion poster

An Intrusion 26th November 2021 as Layne

Flashback poster

Flashback 3rd June 2021 as Andre

Castle in the Ground poster

Castle in the Ground 4th January 2021 as Polo Boy

Katie Says Goodbye poster

Katie Says Goodbye 8th March 2018 as Matty

Pisces poster

Pisces 16th October 2017 as Alex

Heartthrob poster

Heartthrob 10th October 2017 as Henry Sinclair

The Good Neighbor poster

The Good Neighbor 16th September 2016 as Sean

The Elvis Room poster

The Elvis Room 25th July 2016 as Kurt

Tales of Halloween poster

Tales of Halloween 16th October 2015 as The Stranger

Len and Company poster

Len and Company 11th September 2015 as William

The Stanford Prison Experiment poster

The Stanford Prison Experiment 17th July 2015 as John Lovett

The Heyday of the Insensitive Bastards poster

The Heyday of the Insensitive Bastards 25th March 2015 as Michael

Share 14th March 2015 as Dylan

It Follows poster

It Follows 4th February 2015 as Paul

Dark Summer poster

Dark Summer 9th January 2015 as Daniel

Seasick Sailor poster

Seasick Sailor 24th November 2013 as Penna

Matty Hanson and the Invisibility Ray poster

Matty Hanson and the Invisibility Ray 1st March 2011 as Matty Hanson

Just Peck poster

Just Peck 16th February 2011 as Michael Peck

It's Kind of a Funny Story poster

It's Kind of a Funny Story 8th October 2010 as Craig Gilner

Hungry Hills poster

Hungry Hills 16th September 2009 as Snit

The Rocker poster

The Rocker 20th August 2008 as Moby Type Kid

Dead Silence poster

Dead Silence 16th March 2007 as Young Henry

A Lobster Tale poster

A Lobster Tale 1st January 2006 as Mike Stanton

Saint Ralph poster

Saint Ralph 5th August 2005 as Kid Collins

Horsie's Retreat poster

Horsie's Retreat 27th January 2005 as Louie (uncredited)

Samantha: An American Girl Holiday poster

Samantha: An American Girl Holiday 23rd November 2004 as Factory Boy

The Right Way poster

The Right Way 17th November 2004 as Young David

The Walking Dead: Dead City poster

The Walking Dead: Dead City 18th June 2023 as Benjamin Pierce

Love & Death poster

Love & Death 27th April 2023 as Ron Adams

Atypical poster

Atypical 11th August 2017 as Sam Gardner

Room 104 poster

Room 104 28th July 2017 as Alex

Delete poster

Delete 19th August 2013 as Daniel Gerson

Newsreaders poster

Newsreaders 17th January 2013 as Ben Hayflack Age 18

The Listener poster

The Listener 4th June 2009 as Daniel / Lisa

United States of Tara poster

United States of Tara 18th January 2009 as Marshall Gregson

The Winner poster

The Winner 4th March 2007 as Josh McKellar

Life with Derek poster

Life with Derek 18th September 2005 as Jamie

ReGenesis poster

ReGenesis 24th October 2004 as 10 Year Old Boy

Miss Spider's Sunny Patch Friends poster

Miss Spider's Sunny Patch Friends 7th September 2004 as Squidge (voice)

Missing poster

Missing 2nd August 2003 as Danny Sheperd

Doc poster

Doc 11th March 2001 as R.J. Mitchell

Queer as Folk poster

Queer as Folk 3rd December 2000 as Jim Stockwell Jr.

Family Guy poster

Family Guy 31st January 1999 as Kyle (voice)

Family Guy poster

Family Guy 31st January 1999 as Toby (voice)