How old was Keir Gilchrist in…

Keir Gilchrist

Bio: 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)

Born: Mon, Sep 28 1992

Birthplace: London, England, UK

Keir Gilchrist is 32 years old

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Acting Roles

Crew Roles

Movies (Acting Roles)

Sorted by Release Date

Freaky Tales

Keir Gilchrist will be

32 in Freaky Tales

as 'Josh'.

Fri, Apr 04 2025

Running on Empty

Keir Gilchrist was

31 in Running on Empty

as 'Mort'.

Fri, Aug 09 2024

The Featherweight

Keir Gilchrist was

30 in The Featherweight

as 'Billy Papaleo Jr.'.

Sun, Sep 03 2023

An Intrusion

Keir Gilchrist was

29 in An Intrusion

as 'Layne'.

Fri, Nov 26 2021

Castle in the Ground

Keir Gilchrist was

28 in Castle in the Ground

as 'Polo Boy'.

Mon, Jan 04 2021

Flashback

Keir Gilchrist was

28 in Flashback

as 'Andre'.

Thu, Oct 08 2020

Katie Says Goodbye

Keir Gilchrist was

25 in Katie Says Goodbye

as 'Matty'.

Thu, Mar 08 2018

Pisces

Keir Gilchrist was

25 in Pisces

as 'Alex'.

Mon, Oct 16 2017

Heartthrob

Keir Gilchrist was

25 in Heartthrob

as 'Henry Sinclair'.

Tue, Oct 10 2017

Los

Keir Gilchrist was

24 in Los

as 'Left'.

Fri, Jul 21 2017

The Good Neighbor

Keir Gilchrist was

23 in The Good Neighbor

as 'Sean'.

Fri, Sep 16 2016

The Elvis Room

Keir Gilchrist was

23 in The Elvis Room

as 'Kurt'.

Mon, Jul 25 2016

Tales of Halloween

Keir Gilchrist was

23 in Tales of Halloween

as 'The Stranger'.

Fri, Oct 16 2015

Len and Company

Keir Gilchrist was

22 in Len and Company

as 'William'.

Fri, Sep 11 2015

The Stanford Prison Experiment

Keir Gilchrist was

22 in The Stanford Prison Experiment

as 'John Lovett'.

Fri, Jul 17 2015

Smoke

Keir Gilchrist was

22 in Smoke

as 'Michael'.

Wed, Apr 01 2015

The Heyday of the Insensitive Bastards

Keir Gilchrist was

22 in The Heyday of the Insensitive Bastards

as 'Michael'.

Wed, Mar 25 2015

Keir Gilchrist was

22 in Share

as 'Dylan'.

Sat, Mar 14 2015

It Follows

Keir Gilchrist was

22 in It Follows

as 'Paul'.

Wed, Feb 04 2015

Dark Summer

Keir Gilchrist was

22 in Dark Summer

as 'Daniel'.

Fri, Jan 09 2015

Seasick Sailor

Keir Gilchrist was

21 in Seasick Sailor

as 'Penna'.

Sun, Nov 24 2013

Matty Hanson and the Invisibility Ray

Keir Gilchrist was

18 in Matty Hanson and the Invisibility Ray

as 'Matty Hanson'.

Tue, Mar 01 2011

Just Peck

Keir Gilchrist was

18 in Just Peck

as 'Michael Peck'.

Wed, Feb 16 2011

It's Kind of a Funny Story

Keir Gilchrist was

18 in It's Kind of a Funny Story

as 'Craig Gilner'.

Fri, Oct 08 2010

Hungry Hills

Keir Gilchrist was

16 in Hungry Hills

as 'Snit'.

Wed, Sep 16 2009

The Rocker

Keir Gilchrist was

15 in The Rocker

as 'Moby Type Kid'.

Wed, Aug 20 2008

Dead Silence

Keir Gilchrist was

14 in Dead Silence

as 'Young Henry'.

Fri, Mar 16 2007

A Lobster Tale

Keir Gilchrist was

13 in A Lobster Tale

as 'Mike Stanton'.

Sun, Jan 01 2006

Saint Ralph

Keir Gilchrist was

12 in Saint Ralph

as 'Kid Collins'.

Fri, Aug 05 2005

Horsie's Retreat

Keir Gilchrist was

12 in Horsie's Retreat

as 'Louie (uncredited)'.

Thu, Jan 27 2005

Samantha: An American Girl Holiday

Keir Gilchrist was

12 in Samantha: An American Girl Holiday

as 'Factory Boy'.

Tue, Nov 23 2004

The Right Way

Keir Gilchrist was

12 in The Right Way

as 'Young David'.

Wed, Nov 17 2004

The Sadness of Johnson Joe Jangles

Keir Gilchrist was

11 in The Sadness of Johnson Joe Jangles

as 'Clint the Boy Doctor'.

Sat, Sep 11 2004

TV Shows (Acting Roles)

Sorted by Release Date
Ages in TV shows are based off the first air date and may not be accurate. View individual episode details for accurate ages

Love & Death

Keir Gilchrist was

30+ in Love & Death

as 'Ron Adams'.

First Air Date
Thu, Apr 27 2023

Atypical

Keir Gilchrist was

24+ in Atypical

as 'Sam Gardner'.

First Air Date
Fri, Aug 11 2017

Room 104

Keir Gilchrist was

24+ in Room 104

as 'Alex'.

First Air Date
Fri, Jul 28 2017

Delete

Keir Gilchrist was

20+ in Delete

as 'Daniel Gerson'.

First Air Date
Mon, Aug 19 2013

Newsreaders

Keir Gilchrist was

20+ in Newsreaders

as 'Ben Hayflack Age 18'.

First Air Date
Thu, Jan 17 2013

The Listener

Keir Gilchrist was

16+ in The Listener

as 'Daniel / Lisa'.

First Air Date
Thu, Jun 04 2009

United States of Tara

Keir Gilchrist was

16+ in United States of Tara

as 'Marshall Gregson'.

First Air Date
Sun, Jan 18 2009

The Altar Boy Gang

Keir Gilchrist was

14+ in The Altar Boy Gang

as 'Neil'.

First Air Date
Fri, May 11 2007

The Winner

Keir Gilchrist was

14+ in The Winner

as 'Josh McKellar'.

First Air Date
Sun, Mar 04 2007

Life with Derek

Keir Gilchrist was

12+ in Life with Derek

as 'Jamie'.

First Air Date
Sun, Sep 18 2005

ReGenesis

Keir Gilchrist was

12+ in ReGenesis

as '10 Year Old Boy'.

First Air Date
Sun, Oct 24 2004

Miss Spider's Sunny Patch Friends

Keir Gilchrist was

11+ in Miss Spider's Sunny Patch Friends

as 'Squidge (voice)'.

First Air Date
Tue, Sep 07 2004

Missing

Keir Gilchrist was

10+ in Missing

as 'Danny Sheperd'.

First Air Date
Sat, Aug 02 2003

Doc

Keir Gilchrist was

8+ in Doc

as 'R.J. Mitchell'.

First Air Date
Sun, Mar 11 2001

Queer As Folk

Keir Gilchrist was

8+ in Queer As Folk

as 'Jim Stockwell Jr.'.

First Air Date
Sun, Dec 03 2000

Family Guy

Keir Gilchrist was

6+ in Family Guy

as 'Kyle (voice), Toby (voice)'.

First Air Date
Sun, Jan 31 1999