Jonas Armstrong (born 1 January 1981 in Dublin) is an Irish born British actor, raised in Lytham St Annes, Lancashire best known for his appearances on television in the United Kingdom, where he has played the title role in the BBC One drama series Robin Hood.
In 2003 Armstrong appeared in Quartermaine's Terms at the Royal Theatre in Northampton as Derek Meadle. And in March 2004 he played Henry in The Skin of Our Teeth at the Young Vic theatre in the London Borough of Lambeth. In 2004 he appeared in six episodes of the fourth series of the British television comedy-drama, Teachers on Channel 4, as Anthony Millington. In January 2005 he appeared as Richard in Rutherford & Son at the Royal Exchange in Manchester. Later in 2005 he appeared again on Channel 4 in the crime drama series The Ghost Squad as Pete Maitland. In December 2006 he starred in the two-part crime drama Losing Gemma on ITV.
His first major television role came in October 2006 when he played Robin of Locksley, in the BBC's modern adaptation of the Robin Hood story. During filming of the second series, which aired in 2007, Armstrong broke a metatarsal bone in his foot during a staged fight scene. Armstrong was a guest panelist on the BBC comedy panel game show Never Mind the Buzzcocks on 28 February 2007.