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 in A Family at War (1970–72), as Harry Mailer in the Doctor Who serial The Mind of Evil (1971), as Sir Guy of Gisbourne in The Legend of Robin Hood (1975), as Brian Kettle in Rooms (1977), and as DCI Bill Russell in The Gentle Touch (1980–84).