Other television appearances were in an episode of Heartbeat ("Closing The Book", 2002) and as the competition judge, Samantha Johnstone, in an episode in the mystery drama Midsomer Murders ("Judgement Day", 2002). Most recently, she was featured in two episodes of Doctors as kleptomaniac, Audrey Wilson, ("Now You See It...", 2009) and as Marjorie Page, a woman in the early stages of Alzheimer's disease ("The Bespectacled Bounder," 2012). Tewson played a nanny in a 30-second commercial for Nabisco Fruit Newtons, first aired in 1997 in the United States. She also played a school Teacher in a Sugar Puffs "I Want My Honey" advert during the late 1980s/early 1990s.