William Jonas Armstrong is an English actor, best known for his role as Robin Hood in the BBC series of the same name. He has also starred in films such as Edge of Tomorrow, Book of Blood, and Walking with the Enemy. Armstrong was born in Dublin, Ireland, in 1981. He moved to England when he was 10 years old. He studied drama at the Royal Academy of Dramatic Art (RADA), graduating in 2003. Armstrong's first major television role came in 2004, when he was cast as Anthony Millington in the fourth series of the British television comedy-drama, Teachers. He then appeared in the crime drama series The Ghost Squad as Pete Maitland. In 2006, Armstrong was cast as Robin Hood in the BBC series of the same name. The series was a critical and commercial success, and Armstrong's performance was praised by critics. He remained with the series for all four seasons, which aired from 2006 to 2010. Since then, Armstrong has starred in a number of films and television series, including Edge of Tomorrow, Book of Blood, and Walking with the Enemy. He has also appeared in the stage productions of "The Crucible" and "Richard II." Armstrong is currently filming the upcoming television series After the Flood, a six-part mystery thriller series for ITV. He will play the role of Lee, a man who is trying to piece together his life after a devastating flood.
2025Unforgivable as Peter McKinney Sr
2024Coma (4 Episodes) as Paul
2024After the Flood (6 Episodes) as Lee Ellison
2023Boat Story (2 Episodes) as Arthur Lake
2022Three Day Millionaire as Mr. Graham
2022Floodlights as Barry Bennell
2021The Drowning (4 Episodes) as Jason
2019The Bay (6 Episodes) as Sean Meredith
2019Boiling Point as Freeman
2018Backstage At Live Aid as Bob Geldof
2018Troy: Fall of a City (8 Episodes) as Menelaus
2017Strike (5 Episodes) as Saul Morris
2017Urban Myths (1 Episode) as Bob Geldof
2016Dark Angel (2 Episodes) as Joe
2015The Dovekeepers (2 Episodes) as Yoav
2014Edge of Tomorrow as Skinner
2014Walking with the Enemy as Elek Cohen
2013The Whale as Owen Chase
2012Ripper Street (12 Episodes) as Nathaniel
2012Twenty8K as Clint O'Connor
2012Hit & Miss (6 Episodes) as Ben
2012Prisoners' Wives (6 Episodes) as Steve
2011Rage of the Yeti as Bill
2011Death in Paradise (1 Episode) as Dylan Shepherd
2011The Field of Blood (2 Episodes) as Terry Hewitt
2009Book of Blood as Simon McNeal
2006Losing Gemma (2 Episodes) as Steve
2006World of Robin Hood as Self
2006Robin Hood (39 Episodes) as Robin Hood
2006The Street (1 Episode) as Unknown
2005The Ghost Squad (7 Episodes) as Pete Maitland
2004Agatha Christie's Marple (1 Episode) as Cade
2001Teachers (6 Episodes) as Unknown
1996Never Mind the Buzzcocks (1 Episode) as Self
1995Soccer AM (1 Episode) as Self
1988This Morning (1 Episode) as Self