[1] He is known for his shared performances in a two and a half-year run as the star role of 'Billy' in Billy Elliot the Musical at London's Victoria Palace Theatre.

[2][3] He has appeared as Mobbsy in the 26 episode live action children's comedy series, My Phone Genie, on ITV and CITV.

Jackson-Keen has appeared in a wide range of advertising campaigns and TV shows, and competed four times in the UK National Gymnastics finals.

[3] His broadcast career began in 2006 with a role in the UK television series The Bill, and in the award-winning film Terry Pratchett's Hogfather.

[citation needed] On 8 March 2010, Jackson-Keen and three other boys from the cast were invited to 10 Downing Street,[5] and met with Prime Minister Gordon Brown, Alistair Darling, Peter Mandelson and Minister for Culture and Tourism Margaret Hodge.