16.04.1912 - 25.04.1994 (82 years)
For the fictional television character, see David Langton (General Hospital)David Muir Langton (born Basil Muir Langton-Dodds; 16 April 1912 – 25 April 1994) was a British actor who is best remembered for playing Richard Bellamy in the period drama Upstairs, Downstairs.