
Jonjo O'Neill
Acting
Jonjo O'Neill is an actor from Northern Ireland known for his stage and television work. O'Neill was born in Belfast, grew up in the Whiterock Road area and was educated at St Mary's Grammar School. Growing up he was passionate about musical theatre and was a member of Ulster Youth Theatre and performed with the Ulster Theatre Company. In 1996 at the age of 18 he won a place and a full scholarship to the Guildford School of Acting, and moved to England. His first television role was the year he graduated from drama school, in Extremely Dangerous (1999).
A member of the Royal Shakespeare Company (RSC) 2009-2011 ensemble, his roles included Mercutio in Romeo and Juliet, Orlando in As You Like It, and Launcelot in Morte D'Arthur. His performances during the RSC's six-week residency at Park Avenue Armory in New York were hailed as "forceful" and "irresistible." At the 2012 World Shakespeare Festival in Stratford-upon-Avon, O'Neill played the title role in Roxana Silbert's production of Richard III at the Swan Theatre.
Known For

Homeland

Andor

Vera

A Touch of Frost

The Day of the Jackal

Band of Brothers

Industry

The Queen's Gambit

Pennyworth: The Origin of Batman's Butler

Dalgliesh

Constantine

Bad Sisters

Patrick Melrose

The New Look

The Ballad of Buster Scruggs

Fortitude

Bloodlands

Nightsleeper

Defiance

Oasis

Dragonheart 3: The Sorcerer's Curse

Doctor Who: The Day of the Doctor

Operation Mincemeat

All the Old Knives

On Chesil Beach
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