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 tries to convince Margaret that he has been unfaithful to her. In revenge, Margaret assaults her with a pair of boxing gloves. However, Margaret herself is shown to have contemplated infidelity with a man called Ben whom she met on holiday in the episode "Warm Champagne". She decides against cheating on Victor. In this episode, she sums up her relationship with Victor by telling Ben, "He's the most sensitive person I've ever met, and that's why I love him and why I constantly want to ram his head through a television screen." She also began to develop a sense of