David John Bradley (born 17 April 1942) is an English actor. He is known for playing Argus Filch in the Harry Potter film series, Walder Frey in the HBO series Game of Thrones and Abraham Setrakian in The Strain, although he is also an established stage actor with a career that includes a Laurence Olivier Award for his role in a production of King Lear.
Bradley was born in York, where he attended the Catholic St George's Secondary Modern School, at which he was a member of the choir. He first performed on stage in musical productions as a member of a youth club and with the Rowntree Youth Theatre. Upon leaving school he completed a five-year apprenticeship with the optical instruments maker Cooke, Troughton & Simms and he remained with the firm until 1966 when he moved to London to train as an actor at the Royal Academy of Dramatic Art.
Bradley serves as the President of Second Thoughts Drama Group, which performs in and around Stratford-upon-Avon. On 17 July 2012, he was awarded an Honorary Doctorate from the University of Warwick. On 19 November 2015, he was awarded an Honorary Doctorate from York St John University.