Richard Thomas Griffiths (July 31, 1947 – March 28, 2013) was an English actor of film, television, and stage. For his performance in the stage play The History Boys, Griffiths won a Tony Award, a Laurence Olivier Award, the Drama Desk Award and the Outer Critics Circle Award. For the 2006 film adaptation, Griffiths was nominated for the BAFTA Award for Best Actor in a Leading Role. He played Vernon Dursley in the Harry Potter films (2001-2010) and Great Uncle Matthew Brown "Gum" in the BBC fil...