Peter John Sallis was an English actor, known for his work on British television. He was the voice of Wallace in the Academy Award-winning Wallace and Gromit films and played Norman "Cleggy" Clegg in Last of the Summer Wine from its 1973 inception until the final episode in 2010, making him the only actor to appear in all 295 episodes. Additionally, he portrayed Norman Clegg's father in the prequel series First of the Summer Wine. Wikipedia