David James Stuart Mitchell (born 14 July 1974) is a British comedian, actor, writer and television presenter who currently works for the BBC as a team captain on the TV series Would I Lie to You?. He is half of the comedy duo Mitchell and Webb, alongside Robert Webb. The duo starred in the Channel 4 sitcom Peep Show, in which Mitchell plays Mark Corrigan. Mitchell won the British Academy Television Award for Best Comedy Performance in 2009 for his performance in the show. The duo have written and starred in several sketch shows including Bruiser, The Mitchell and Webb Situation, That Mitchell and Webb Sound and also That Mitchell and Webb Look. The pair also starred in the UK version of Apple's "Get a Mac" advertising campaign. Their first film, Magicians, was released in 2007. In 2013, the duo starred in the short-lived Ambassadors. Mitchell currently stars in the Channel 4 comedy-drama Back (2017–) alongside Webb.
Mitchell also starred as Owen in Think the Unthinkable. He currently hosts the BBC Radio 4 panel game The Unbelievable Truth (2007–). He also stars in the Ben Elton-penned BBC Two historical comedy Upstart Crow (2016–), playing the central character William Shakespeare.
Mitchell is a frequent participant on British panel shows, being a team captain on Would I Lie to You?, and the former host of The Bubble and Was It Something I Said?, as well as a frequent guest on other panel shows, including, but not limited to QI, The Big Fat Quiz of the Year, Mock the Week, 8 Out of 10 Cats Does Countdown and Have I Got News for You. He was also a co-host of the comedy news programme 10 O'Clock Live. As a writer, Mitchell regularly contributes comment articles to the British newspapers The Observer and The Guardian.