Alison Steadman Plessey, an electronics firm. Steadman was educated at Childwall Valley High School for Girls, a state grammar school in the Liverpool suburb of Childwall, followed by East 15 Acting School, to which she secured a place in the autumn of 1966 and where she met Mike Leigh during her second year. Having left the East 15 Acting School in Loughton, Essex, Steadman worked in various regional repertory theatres, starting at Lincoln in 1968, where her first role was that of the seductive schoolgirl Sandy in "The Prime of Miss Jean Brodie". She created the role of the monstrous Beverly in
Jane Seymour (actress) Moore; and the Hallmark Movie Channel film "Lake Effects" (2012) with Scottie Thompson and Madeline Zima. In April 2016, she starred as Florence Lancaster in Noël Coward's play "The Vortex", presented in Singapore by the British Theatre Playhouse. Seymour has been married and divorced four times. Her first marriage, to Michael Attenborough, the son of film actor and director Richard Attenborough, was from 1971 to 1973. to be followed by marriage to Attenborough's friend Geoffrey Planer from 1977 to 1978. In 1981, Seymour married David Flynn. This marriage produced two children: actress Katherine Flynn, born 7 January 1982; and Sean