In 2007 Leon Played Billy the Kid in the acclaimed biopic for the BBC and starred in Channel 4's hard hitting drama Clapham Junction directed by Adrian Shergold.

In 2006, he had a main role in the film 'These Foolish Things', which also starred Terence Stamp, Lauren Bacall and Anjelica Huston. The film's lead actress was Zoe Tapper, who guest-starred in an episode of Cutting It. In 2007, David played Billy The Kid in the BBC's mini series 'The Wild West'. In 2010 he played Jesus in Mark Haddon's play Polar Bears at the Donmar Warehouse. He currently resides in London.

In 2006, he had a main role in the film 'These Foolish Things', which also starred Terence Stamp, Lauren Bacall and Anjelica Huston. The film's lead actress was Zoe Tapper, who guest-starred in an episode of Cutting It. In 2007, David played Billy The Kid in the BBC's mini series 'The Wild West'. In 2010 he played Jesus in Mark Haddon's play Polar Bears at the Donmar Warehouse. He currently resides in London.