Sara Kingdom played by Jean Marsh
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.
Jean Marsh has also appeared in:
- Earth (41st century)
Sara Kingdom has met the following Doctors: