Doreen Mantle in "Yentl". In 2011, Mantle appeared in "Coronation Street" as the mother of Colin Fishwick whose identity was taken by John Stape. Doreen Mantle Doreen Mantle (born 1926) is a South African-born English actress who is probably best known for her role as Jean Warboys in "One Foot in the Grave" (1990–2000). She has appeared in many British television series from the 1960s to the present, such as "The Duchess of Duke Street", "The Wild House", "Sam Saturday", "Chalk", "Casualty", "The Bill", "Doctors", "Holby City" and "Jonathan Creek". She played lollipop lady Queenie in "Jam & Jerusalem" (2006–09). She appeared
One Foot in the Grave had gone upstairs during a game of Happy Families and not returned; Ronnie then shows her feet hanging outside of the window, revealing that she has committed suicide. The Broadcasting Standards Commission received complaints about this scene. When the final episode, "Things Aren't Simple Any More" originally aired on 20 November 2000 at 9pm, it coincided with the broadcast of the first jackpot winner in the UK version of "Who Wants to Be a Millionaire?", which had been filmed the Sunday before the broadcast. ITV was accused of engineering this in order to damage the final episode's expected high ratings,