David Michael Graham (born July 11, 1925) was an English actor. He voiced the Daleks in Doctor Who, Gordon Tracy, Brains, Aloysius Parker and Kyrano in Thunderbirds, and Grandpa Pig in Peppa Pig. Born in London on 11 July 1925. His sister had married a G.I. and had moved to the United States, and his uncle had run away there, so he became an actor after leaving his Orthodox Jewish household. He trained in New York City at the Neighbourhood Playhouse School of the Theatre with Sanford Meisner, following service in the Royal Air Force as a radar mechanic.…