She appeared as Lisa Hallett, a member of the secret organisation of Torchwood who had been transformed into a half-human half-Cyberman in "Cyberwoman", an episode of Torchwood, and as Tamara, a fellow demon hunter, in the 3rd season premiere of Supernatural.
Their interest in the problems of science changing and endangering human life had led them to create the popular alien race the Cybermen for that programme, and it was similar interests that led them to create Doomwatch, which explored all kinds of new and unusual threats to the human race, many bred out of the fear of real scientific concepts, with a "this could happen to us" fear by the public.
He made an uncredited appearance as a Cyberman in the 1967 Doctor Who serial The Moonbase and as a Yeti in The Web of Fear before making his first appearance as then-Corporal Benton in the Doctor Who serial The Invasion in 1968.
Cyberman |
In the Doctor Who episode "Nightmare In Silver", a boy named Artie Maitland loses to a chess-playing Cyberman via the Fool's Mate.