Career

Simpson made his film debut in 2000 as Noah in Amy Heckerling's Loser and continued with further theatre, television and film work. In 2008, Simpson starred on Broadway in the play The Farnsworth Invention as Philo T. Farnsworth, the inventor of television, winning a Theatre World Award for his performance. Other theatre credits include: Tartuffe, The Rainmaker (Broadway), Camino Real, The Winter's Tale and A Midsummer Night's Dream.

Most recently, Simpson has guest starred in episodes of CSI, House and Psych, and has a recurring role on The Late Show with David Letterman as 'Lyle the Intern'. He'll next appear in The Invention of Lying, directed by Ricky Gervais and Date Night alongside Steve Carrell and Tina Fey.