Kate Lethbridge-Stewart
| Kate Lethbridge-Stewart | |
|---|---|
| Doctor Who character | |
Jemma Redgrave as Kate Lethbridge-Stewart | |
| First appearance | Downtime (1995) |
| Created by | Marc Platt |
| Portrayed by |
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| Shared universe appearances |
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| Duration |
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| In-universe information | |
| Species | Human |
| Gender | Female |
| Affiliation |
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| Family |
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| Children |
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| Home | Earth |
| Nationality | British (English) |
| Home era | 21st century |
Kate Lethbridge-Stewart, also known as Kate Stewart, is a fictional character in the British science fiction television series Doctor Who. She was created by writer Marc Platt and first portrayed by Beverley Cressman in the independent direct-to-video spin-offs Downtime (1995) and Dæmos Rising (2004). The character was reintroduced in the revived series by Chris Chibnall in the 2012 episode "The Power of Three", portrayed by Jemma Redgrave, who has continued in the role since then.
Kate is the daughter of Brigadier Lethbridge-Stewart, a key figure from the classic series. Within the narrative, she leads the Unified Intelligence Taskforce (UNIT) as head of Scientific Research and later as commander-in-chief, helping defend Earth against alien threats. She has appeared alongside multiple incarnations of the Doctor, including the Eleventh, Twelfth, Thirteenth, Fourteenth, and Fifteenth Doctors.
She is set to appear as a lead character in the upcoming spin-off series The War Between the Land and the Sea, scheduled for release in 2025.