William Marlowe 25 July 1930 31 January 2003 was a British theatre television and film actor He served in the Fleet Air Arm and hoped for a career as a writer before training as an actor at RADA He was cast as Sir Guy of Gisbourne in The Legend of Robin Hood 1975 A Family at War 197072 DCI Bill Russell in The Gentle Touch 198084 and Harry Mailer in the Doctor Who serial The Mind of Evil 1971 He reappeared in Doctor Who four years later as Lester in Revenge of the Cybermen 1975 His guest star roles include Barlow 1975 Breakaway 1980 Callan 1972 and Catch Hand 1964 Later he played Chief Supt Thomas in The Chief 1990 He was married to actress Catherine Schell from 19681977 and to Kismet Delgado the widow of actor Roger Delgado from 19792003 Many books falsely claim that he was married to actress Fernanda Marlowe