She is best known for her frequent appearances in Spike Milligan's Q series (1975–80), in which she generally appeared as a buxom "glamour stooge". Breck also appeared in Monty Python's Flying Circus, On the Buses, The Two Ronnies and Some Mothers Do 'Ave 'Em. She also appeared in many theatre productions, playing everything from Principal Boy in pantomime, to Lady Macbeth. Following a final series with Milligan, There's a Lot of It About in 1982, Breck decided to retire from show business to concentrate on raising her three children whilst pursuing art and model-making as a hobby. She was married to Alexander (Sandy) Paterson (1979–her death), and was previously married to Brian Coburn (1970 - ?) (divorced). She lived in France with her husband, Sandy Breck-Paterson, a well-known internet crossword compiler, known as "Arena". In her later years, Breck was a set designer for Theatre Comoedia in Marmande, France. She died in January 2020 at the age of 78.

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