Cast Credits Doctor Who (1963) Guest starring as Wagstaffe (4 episodes) Episode 7x04: Spearhead from Space, Part Four (Jan 24, 1970) Episode 7x03: Spearhead from Space, Part Three (Jan 17, 1970) Episode 7x02: Spearhead from Space, Part Two (Jan 10, 1970) Episode 7x01: Spearhead from Space, Part One (Jan 3, 1970) View 1 more View 1 less