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.

Keir Gilchrist is known for work in acting across film and television. New Release currently presents 14 verified screen credits connected to this profile.

Selected work includes Freaky Tales (2025), Love & Death (2023), Flashback (2021), Castle in the Ground (2021), Atypical (2017), The Stanford Prison Experiment (2015), It Follows (2015), Delete (2013). The recorded credits span 2003 to 2025, including 8 movies and 6 TV shows.

The filmography below lists available titles, release years and known roles. This profile is updated as additional verified information becomes available.