
London, England, UK
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.

as Benjamin Pierce

as Kyle (voice)
1999

as Danny Sheperd
2003

as Benjamin Pierce
2023

as Daniel / Lisa
2009

as Jim Stockwell Jr.
2000

as Sam Gardner
2017

as Alex
2017

as 10 Year Old Boy
2004

as R.J. Mitchell
2001

as Marshall Gregson
2009

as Paul
2015

as Young Henry
2007
as Mort
2024

as Gary
2026

as Josh
2025

as Mort
2024

as Director
2024

as Billy Papaleo Jr.
2023

as Layne
2021

as Andre
2021

as Polo Boy
2021

as Matty
2018

as Alex
2017

as Henry Sinclair
2017
as Left
2017

as Sean
2016

as Kurt
2016

as The Stranger
2015

as William
2015

as John Lovett
2015
as Michael
2015

as Michael
2015

as Dylan
2015

as Paul
2015

as Daniel
2015

as Penna
2013

as Matty Hanson
2011
as Benjamin Pierce
5 ep.

as Kyle (voice)
1 episodes

as Danny Sheperd
1 episodes

as Benjamin Pierce
5 episodes

as Daniel / Lisa
1 episodes

as Jim Stockwell Jr.
1 episodes

as Sam Gardner
38 episodes

as Alex
1 episodes

as 10 Year Old Boy
1 episodes

as R.J. Mitchell
1 episodes

as Marshall Gregson
36 episodes

as Ron Adams
6 episodes

as Jamie
3 episodes

as Squidge (voice)
1 episodes

as Daniel Gerson
2 episodes

as Ben Hayflack Age 18
1 episodes

as Josh McKellar
6 episodes
as Neil
1 episodes