Anthony Valentine was an English actor best known for his television roles: the ruthless Toby Meres in Callan (1967–72), the sadistic Major Horst Mohn in Colditz (1972–74), the suave titular gentleman thief in Raffles (1977), the satanic Baron Simon de Belleme in Robin of Sherwood, and the murderous Baron Gruner in the Sherlock Holmes episode "The Illustrious Client" (1991).