David John Bradley (born 17 April 1942) is an English actor. He is well known for his recurring role as Argus Filch in the Harry Potter film series (with Natalia Tena, Freddie Stroma, Michelle Fairley, Jim Broadbent and Bronson Webb). He started acting on stage in 1971, and won a Laurence Olivier Award in 1991 for a supporting role in King Lear. His more recent credits include The Sarah Jane Adventures, Doctor Who, Ashes to Ashes, The Tudors, The Colour of Magic and Broadchurch (alongside...