Joseph "Joe" Maxwell Dempsie (born 22 June 1987 in Liverpool) is an English actor, best known for playing the role of Chris Miles in the E4 television show Skins. Dempsie's earlier acting credits include the medical dramas Doctors, Peak Practice and Sweet Medicine, as well as the films One for the Road and Heartlands. He also appeared in Born and Bred and a BBC documentary-drama about Norfolk farmer, Tony Martin. He is currently playing the role of Gendry in the HBO series Game of Thrones and the villainous John/Pollus in the BBC TV series The Fades.
He is now the voiceover of the Clearasil advertisements in the UK.
Dempsie is a keen Nottingham Forest football fan and attends many home and away matches, he appeared on the UK Saturday morning football show Soccer AM wearing a Nottingham Forest football shirt. He appeared alongside Skins co-star Nicholas Hoult.
In episode 6 of the fourth series of Doctor Who, "The Doctor's Daughter", that aired on 10 May 2008, Dempsie played the character Cline, a soldier who watches his comrades die and helps unite to waring races. In addition to this appearance, he conducted a small interview with Doctor Who Magazine which appears on the final page of issue 396 (June 2008).
He also plays the role of Gendry in the series Game Of Thrones.