[citation needed] From 2004–2005 he acted in 12 episodes of the TV series, Cutting It, playing the character Troy Gillespie.
[citation needed] In 2006, Leon's acting roles included the film These Foolish Things, which also starred Lauren Bacall, Anjelica Huston, Terence Stamp, and Zoë Tapper,[citation needed] and in 2007 he played Billy the Kid in the BBC's mini series The Wild West.
[9] From 2011 to 2014, he played DS Joe Ashworth in the ITV detective series Vera alongside Brenda Blethyn.
[citation needed] The next year, the same team premiered the short, Man and Boy, which was entered in film festivals, including the Tribeca.
[13] Leon's and McSweeney's 2010 Man and Boy won the award for the best narrative short at that year's Tribeca Film Festival.