Cast Credits Doctor Who (1963) Guest starring as Remus (4 episodes) Episode 21x26: The Twin Dilemma, Part Four (Mar 30, 1984) Episode 21x25: The Twin Dilemma, Part Three (Mar 29, 1984) Episode 21x24: The Twin Dilemma, Part Two (Mar 23, 1984) Episode 21x23: The Twin Dilemma, Part One (Mar 22, 1984) View 1 more View 1 less