Claim: Rudi Davies played Penny Lewis (aka "Ruth" Davies) as part of the regular cast in the show Grange Hill, from 1979 through 1982.
Evidence: Ruth Emmanuella Davies (born 24 March 1965), known professionally as Rudi Davies, is an English actress, the daughter of Alan Sharp (1934–2013) and the writer, Dame Beryl Bainbridge (1932–2010). Davies began her acting career as Penny Lewis in the BBC school drama, Grange Hill. She appeared there from 1979 to 1982.