Betty Gleadle (11 December 1921 – 24 December 2016), known by the stage name Liz Smith, was an English character actress, known for her roles in BBC sitcoms, including as Annie Brandon in I Didn't Know You Cared (1975–1979), the sisters Bette and Belle in 2point4 Children (1991–1999), Letitia Cropley in The Vicar of Dibley (1994–1996) and Norma Speakman ("Nana") in The Royle Family (1998–2000, 2006). She also played Zillah in Lark Rise to Candleford (2008) and won the BAFTA Award for Best Actress in a Supporting Role for the 1984 film A Private Function.