Jack Reynor (born 23 January 1992) is an Irish-American actor. His notable roles include the films What Richard Did, Transformers: Age of Extinction, Glassland, Macbeth, Sing Street, and Midsommar, as well as the series Strange Angel and The Peripheral.

Early life
Reynor was born on 23 January 1992 in Longmont, Colorado, the son of an Irish mother and American father. He has a younger brother and sister. He initially lived in Boulder with his mother, human rights activist Tara, but moved with her to the Irish village of Valleymount when he was two years old. He attended primary school in Valleymount and spent his formative years there with his mother and maternal grandparents. His interest in acting began when he played an altar boy on the set of Country, directed by Kevin Liddy, in 1999. He moved to Dublin in 2004 to attend Belvedere College, a private Jesuit school, where he performed onstage in numerous theatrical productions.