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 cynicism, slowly beginning to see the world the way her husband Victor sees it. This is especially evident in "Things aren't simple anymore" where she voices that the world is "all speed and greed" and that "nobody does anything about anything". In "Rearranging the Dust", Margaret recounts the time she first chose Victor at a party and, during a power cut, "shared their bodies" in the garden. After this moment of passion, they went back inside and when the lights came back on Margaret realised that she had "grabbed hold of the wrong person". Margaret's demeanor seemed to stem from