Harriet Jones is a fictional character played by Penelope Wilton in the long-running British science fiction television series Doctor Who. Having worked previously with lead writer and executive producer Russell T Davies, Wilton was keen to involve herself with his 2005 revival of Doctor Who after he sought to cast her. Jones is introduced in the two-part story "Aliens of London" and "World War Three" as a Member of Parliament who aids the Ninth Doctor against an alien invasion of London. The episode introduces a running joke associated with the character which would see her frequently introduce herself by holding up her ID and stating her name and rank; in subsequent episodes this was usually met with the response "Yes, I/we know who you are," even occurring with The Daleks and The Sycorax. Wilton returned for the series' 2005 Christmas special as Davies wanted to include a familiar character whose presence would ease the transition following a change in the series' lead actor. Despite her character having been introduced as fair minded and hard working, Harriet is depicted as an uncompromising Prime Minister, which led to comparisons to real life politicians. Response to the character's political decisions prompted mixed commentary from the media; some reviewers felt that the character had acted unreasonably whilst others sympathised with her actions and felt her scripted political demise was unjust. Wilton's last appearance in 2008 coincided with producer Phil Collinson's final episodes; she was keen to make a final return as she had been there for Collinson's first episodes as producer. Harriet is killed off in the penultimate episode of the show's fourth series in which she sacrifices her own life to help prevent a Dalek takeover of Earth. Harriet's final scenes were designed to complete a tripartite story arc and to give the character redemption.
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