Barbara Knox has starred in Coronation Street as Rita Tanner for the past 56 years. The veteran soap star made her name on the cobbles shortly after its on-screen debut making her one of the longest-serving cast members. After joining the show full time in 1972 following one episode in 1964, 90 year old Barbara established herself as a mainstay on the programme, acting in some of the soap's most dramatic storylines.