William Mervyn
William Mervyn (born William Mervyn Pickwoad on 3 January 1912, died 6 August 1976[1]) played Sir Charles Summer in the Doctor Who television story The War Machines.
He was the father of BBC Wales production designer Michael Pickwoad. (CON: Christmas Special 2010)
He was best known for playing Chief Inspector Rose in a trio of detective shows in the 1960s: The Odd Man, It’s Dark Outside (with Anthony Ainley and Keith Barron) and Mr. Rose (with episodes written by Robert Holmes, David Whitaker and William Emms). Mervyn also played the Bishop in comedy series All Gas and Gaiters, Justice Campbell in Crown Court and the Old Gentleman in the 1970 film The Railway Children.