Biography
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 ...
Known For
Complete Filmography
All the Old Knives
2022
as Ernst Pul
When the CIA discovers one of its agents leaked information that cost more than 100 people their lives, veteran operative Henry Pelham is assigned to ...
Operation Mincemeat
2022
as Teddy
In 1943, two British intelligence officers concoct Operation Mincemeat, wherein their plan to drop a corpse with false papers off the coast of Spain w...
Here Before
2022
as Brendon
Haunted by the death of her young daughter, a distraught woman develops an all-consuming obsession with a girl she believes is her reincarnated child.
Rare Beasts
2021
as Dougie
Mandy is a mother, a writer, a nihilist. Mandy is a modern woman in a crisis. Raising a son in the midst of a female revolution, mining the pain of he...
The Octopus Nest
2019
as Timothy
When a family discover a mysterious woman in the back of seven years' worth of their photos, the wife's search for the truth leads her to question the...
The Ballad of Buster Scruggs
2018
as Englishman (segment "The Mortal Remains")
Vignettes weaving together the stories of six individuals in the old West at the end of the Civil War. Following the tales of a sharp-shooting songste...
On Chesil Beach
2018
as Phil
In 1962 England, a young couple finds their idyllic romance colliding with issues of sexual freedom and societal pressure, leading to an awkward and f...
Oasis
2017
as David Morgan
A Scottish chaplain embarks on an epic journey through space. Based on Michel Faber's 'The Book Of Strange New Things'.
Dragonheart 3: The Sorcerer's Curse
2015
as Traevor
When aspiring knight Gareth goes in search of a fallen comet rumored to contain gold, he is shocked to instead find the dragon Drago. After Drago save...
Doctor Who: The Day of the Doctor
2013
as McGillop
In 2013, something terrible is awakening in London's National Gallery; in 1562, a murderous plot is afoot in Elizabethan England; and somewhere in spa...
Bad Sugar
2012
as Lipton
A dysfunctional, wealthy mining dynasty, with an ailing patriarch and some greedy siblings. A peculiarly British take on telenovela style melodramas, ...
Inside The Mob's Bloody Valentine
2011
Producer
The St. Valentine's Day massacre is the stuff of American legend, and the tale is familiar to nearly everyone. But the story of that bloody day in Chi...
As You Like It
2010
as Orlando
As You Like It, Shakespeare's famous pastoral comedy of love and disguise, is reimagined here with darker, more sombre undertones. Performed by the Ro...
RSC Live: The Comedy of Errors
2009
as Dromio of Syracuse
One of Shakespeare’s early comedies, The Comedy of Errors is a fast-paced farce exploring mistaken identities and relations lost and found. This produ...
Defiance
2008
as Lazar
Based on a true story, during World War II, four Jewish brothers escape their Nazi-occupied homeland of West Belarus in Poland and join the Soviet par...
The Year London Blew Up
2005
as Harry Duggan
Told through documentary, drama and first-hand accounts, this revealing film is a unique account of the most ruthless IRA bombing campaign ever to hit...
The Gentleman Thief
N/A
as Peter Scott
Uses a mix of archive, documentary, and fictional storytelling to paint a portrait of Peter "The Human Fly" Scott, London's most notorious cat burglar...