David Graham (actor) in which he also provided Mechanoid voices) and "The Daleks' Master Plan" (1965–66). He performed in person as barman Charlie in "The Gunfighters" (1966) and as time-travel scientist Professor Kerensky in "City of Death" (1979). Graham also provided the regular voices of Gordon Tracy, Brains, Parker and Kyrano for the Supermarionation TV series "Thunderbirds" (1965–66), as well as its film sequels: "Thunderbirds Are Go" (1966) and "Thunderbird 6" (1968). Other credits from his association with "Thunderbirds" producer Gerry Anderson include "Four Feather Falls" (1960), "Supercar" (1961–62), "Fireball XL5" (1962–63), "Stingray" (1964–65) and "The Secret Service" (1969). Graham has also appeared
James David Provins Graham 1971. In 1965 he moved with his wife Ann to Ty Cwm Cottage near Llanthony in the Brecon Beacons National Park. In 1969 he was elected a Fellow of the Royal Society of Edinburgh. His proposers were William Alexander Bain, George Howard Bell, James Brough and Henry M Adam. He retired in 1979. He died on 16 May 1989. James David Provins Graham James David Provins Graham FRSE FRCPSG FRCPE (1914–1989) was a Scottish physician, pharmacologist and academic author. He wrote on neurotransmissions in relation to chemical influence, including issues of drug dependence. He established the Welsh Poisons Information Service.