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Heather LyonsBorn: 1949 (age: 74)
Heather Lyons had an uncredited role as one of the schoolchildren in The Pilot Episode and in the final transmitted version of An Unearthly Child.
Other known roles include the 1960 film Rocket in the Dunes and a 1961 installment of Armchair Theatre.
She later changed her name to Kim Leon and then Heather Wilcox