Cast Credits Casualty (1986) Guest starring as Sarah Dryden Episode 4x06: Charity (Oct 13, 1989) Doctor Who (1963) Starring as Nyssa (25 episodes) Episode 21x20: The Caves of Androzani, Part Four (Mar 16, 1984) Episode 20x16: Terminus, Part Four (Feb 23, 1983) Episode 20x15: Terminus, Part Three (Feb 22, 1983) Episode 20x14: Terminus, Part Two (Feb 16, 1983) Episode 20x13: Terminus, Part One (Feb 15, 1983) Episode 20x12: Mawdryn Undead, Part Four (Feb 9, 1983) Episode 20x11: Mawdryn Undead, Part Three (Feb 8, 1983) Episode 20x10: Mawdryn Undead, Part Two (Feb 2, 1983) Episode 20x09: Mawdryn Undead, Part One (Feb 1, 1983) Episode 20x08: Snakedance, Part Four (Jan 26, 1983) Episode 20x07: Snakedance, Part Three (Jan 25, 1983) Episode 20x06: Snakedance, Part Two (Jan 19, 1983) Episode 20x05: Snakedance, Part One (Jan 18, 1983) Episode 20x04: Arc of Infinity, Part Four (Jan 12, 1983) Episode 20x03: Arc of Infinity, Part Three (Jan 11, 1983) Episode 20x02: Arc of Infinity, Part Two (Jan 5, 1983) Episode 20x01: Arc of Infinity, Part One (Jan 4, 1983) Episode 19x26: Time-Flight, Part Four (Mar 30, 1982) Episode 19x25: Time-Flight, Part Three (Mar 29, 1982) Episode 19x24: Time-Flight, Part Two (Mar 23, 1982) Episode 19x23: Time-Flight, Part One (Mar 22, 1982) Episode 19x22: Earthshock, Part Four (Mar 16, 1982) Episode 19x21: Earthshock, Part Three (Mar 15, 1982) Episode 19x20: Earthshock, Part Two (Mar 9, 1982) Episode 19x19: Earthshock, Part One (Mar 8, 1982) View 22 more View 22 less
