Kat Gunnarsdottir lived in Reykjavik with her wife Lara Jensen in 2144.

In an aborted timeline, Kat was possessed by the Bratanian Shroud. The Shroud lured the Fifth Doctor and Vislor Turlough to Kat's apartment and tried to make Kat drain the Doctor of his artron energy. The Doctor created a disruptor field with Kat's mediascreen and banished the Shroud from her mind. This knocked Kat unconscious. Shortly afterwards, Lara entered the apartment and called the police after she assumed the Doctor had attacked Kat. Inspector Jill Sveinsdóttir checked Kat's perception feed to discover what had happened. (AUDIO: Repeat Offender)

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