Born in London, England, UK — Sep 28 1992
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.
Browse acting and crew credits across movies and TV — filter and sort to find specific roles.

Kyle (voice)

Jim Stockwell Jr.

Daniel / Lisa

R.J. Mitchell

Sam Gardner

Danny Sheperd

Alex

10 Year Old Boy

Benjamin Pierce

Marshall Gregson

Ron Adams

Jamie

Paul

Squidge (voice)

Daniel Gerson

Young Henry

John Lovett

Andre

Josh

Factory Boy

Josh McKellar

Craig Gilner

Moby Type Kid

Sean

Michael

Michael Peck

The Stranger

Daniel

Gary

Mort

Kid Collins

William

Layne
Neil

Billy Papaleo Jr.

Dylan

Paul

Young David

Mike Stanton

Kurt

Henry Sinclair

Matty

Snit

Penna

Polo Boy
Left

Louie (uncredited)

Alex
Clint the Boy Doctor

Matty Hanson
Michael