Harriet Philpin is a British actress. She played Bettan in the 1975 Doctor Who serial Genesis of the Daleks.
She also appeared in other series such as Blake's 7 and The Sweeney.
She famously appeared in the 1970s and 1980s as the wife of the Secret Lemonade Drinker (Julian Chagrin) in the well-known and often-repeated R. White's Lemonade advert in the UK.