Table:
text: List of longest-serving soap opera actors
Radio
Radio
Actor Character_ Soap_Opera Years Duration
Gwenda Wilson Aunt Laura Wilson The Archers 1951–1977 26 years
Bernice Berwin Hazel Barbour One Man`s Family 1932–1958 26 years
Mollie Harris Martha Woodford The Archers 1970–1995 25 years
Charles Egelston Shuffle Shober Ma Perkins 1933–1958 25 years
Rosalind Adams Clarrie Grundy The Archers 1988–2012 24 years
Leslie Dunn Paul Johnson The Archers 1954–1978 24 years
Minetta Ellen Fanny Barbour One Man`s Family 1932–1955 23 years
Graham Seed Nigel Pargetter The Archers 1983–1986, 1992–2011 22 years
Denis Folwell Jack Archer The Archers 1951–1972 21 years
Margot Boyd Marjorie Antrobus The Archers 1984–2004 20 years

Question: Who was the character when Margot Boyd starred on radio's list of longest-serving soap opera actors?