Katarina
Katarina was a handmaiden of Cassandra, she helped Steven when he was wounded following the fall ofTroy and was aboard when the Tardis dematerialised. Katarina's time with the Doctor was brief, because she sacrificed herself to save Stevens life from the Daleks. The Doctor affectionately remembered her as "a daughter of the gods".Katarina was in The Myth Makers: Horse of Destruction to The Daleks Master Plan: The Traitors.