The actor Gareth Thomas has died at the age of 71.Gareth Thomas played Ed Morgan in the 2006 Torchwood story Ghost Machine . He also appeared in a 2001 Big Finish production, Storm Warning However Thomas was best known for playing the eponymous hero of the 1970's science fiction seriesThomas played Roj Blake, leader of a disparate band of rebels, pitted against a corrupt federation, in the series conceived by Doctor Who writer, and Dalek creator,. The series ran on BBC One from 1978-1981, with Thomas taking the lead role for the first two series. When Thomas decided not to renew his contract for series 3, the character of Blake was killed off. The ghost of Blake was present throughout the remaining series and Thomas returned twice, once at the end of series 3 and once for the climatic final episode, Blake.Gareth Thomas was born in Wales in 1945. He trained at RADA and made his TV debut in a 1965 production ofA steady succession of TV roles followed, including parts inandwhere he played Rev. Gruffydd. In 1972 he was nominated for a BAFTA for his performance in the BBC Play for Today,. He played Adam Brake in the 1977 children's series, and Shem in the ITV seriesFollowing his role as Blake, Thomas played Philip Denny in the 1983 version of A.J. Cronin'sand took the lead in the BBC One drama, about a Welsh hill farmer who finds himself looking after a teenage boy, a performance which won him his second BAFTA nomination.He appeared inandand had a regular role in the ITV series. In 1998 he took on the role ofin Heartbeat.In 2012, Thomas returned to the role for which he was best known, playing Roj Blake in the Big Finish Production,Gareth Thomas died Wednesday 13th April. He is survived by his wife Linda.