Doreen June Mantle was a South African-born British actress who played Jean Warboys in One Foot in the Grave (1990–2000). She appeared in many British television series since the 1960s, including The Duchess of Duke Street, The Wild House, Sam Saturday, Chalk, Casualty, The Bill, Doctors, Holby City, Lovejoy, Coronation Street and Jonathan Creek. She played lollipop lady Queenie in Jam & Jerusalem (2006–2009).

One Foot in the Grave is a British television sitcom written by David Renwick. There were six series and seven Christmas specials over a period of ten years from early 1990 to late 2000. The first five series were broadcast between January 1990 and January 1995. For the next five years, the show appeared only as Christmas specials, followed by the sixth and final series in 2000.