Biography
Jonjo O'Neill is a Northern Irish actor. He was born on 11 July 1978 in Belfast and trained at the Guildford School of Acting from 1996 to 1999. His early television appearances include a role in Band of Brothers (2001).
O'Neill was a member of the Royal Shakespeare Company ensemble from 2009 to 2011, appearing as Mercutio in Romeo and Juliet and in the title role of Richard III at the 2012 World Shakespeare Festival. He also performed in The Effect at the Royal National Theatre in 2012.
On screen, O'Neill has appeared in The Ballad of Buster Scruggs (2018), The Queen's Gambit (2020) as Mr. Ganz, Doctor Who: The Day of the Doctor (2013), Bad Sisters (2022) as Donal Flynn, Operation Mincemeat (2022), Andor (2022) as Captain Kaido, and The Day of the Jackal (2024).
