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Sherwin was responsible for the idea of exiling the Doctor to Earth (which happens at the end of The Second Doctor's last story, The War Games), a decision he took in an attempt to improve falling viewing figures, reinvent the programme and bring more reality to Doctor Who by basing it more on The Quatermass Experiment.
Victoria Waterfield, companion of the Second Doctor in Doctor Who
Deborah Watling (b. 1948), actress who played Victoria Waterfield, companion to the second Doctor, and who appeared regularly from 1967-1968 in Doctor Who