Last regular appearance: The Daleks' Masterplan
Jean Marsh has also appeared in:
Sara Kingdom was assigned by Mavic Chen the task of killing the Doctor. She kills her brother, Bret Vyon (played by Nicholas Courtney), and only then realises that the Doctor is on the side of good and Mavic Chen has betrayed Earth to the Daleks. She was killed by the Time Destructor in the death of Kembel.
- Earth (41st century)