Dilys Laye (born 11th March 1934 in London, died 13th February 2009, also in London) appeared on Coronation Street between August 2000 and February 2001 as Isabel Stephens.
She had been a regular in films and on TV from 1949 including appearances in the St Trinian's films of the 1950s through to playing Queen Elizabeth in the 2008 TV series about Britain's second female prime minister The Amazing Mrs Pritchard.