Guy Flanagan is an English actor, known for portraying John Mitchell in the pilot episode of Being Human.After graduating from drama school, Flanagan joined the Royal Shakespeare Company, playing Oswald in the RSC Academy production of King Lear. His other theatre work includes Cymbeline and Mimi and the Stalker. Flanagan has appeared in the films Millions (2004), Stoned (2005) and A Bunch of Amateurs (2008). Flanagan played the lead role of John Mitchell in the pilot episode of Being Human; the character was played by Aidan Turner in the subsequently produced series. His other television credits include Messiah: The Harrowing, Holby City, Totally Frank, Doctors and The Bill.