Companions
Katarina played by Adrienne Hill

Adrienne Hill as Katarina
First regular appearance: The Myth Makers
Last regular appearance: The Daleks' Masterplan

Katarina joined the crew of the TARDIS while fleeing from the destruction of Troy; she had been one of Cassandra's serving girls.

She sacrificed herself to save the Doctor; when a convict was threatening to kill everyone on a ship she opened the airlock flinging the convict and herself out into space.

Katarina has met these regenerations of the Doctor:
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