Fiona Walker is an English actress, known for numerous theatre and television roles between the 1960s and 1990s.
Her best remembered TV part is probably the role of Agrippina in the BBC adaptation of I, Claudius, directed by Herbert Wise. She was an acidic Mrs Elton in BBC2's 1972 adaptation of Jane Austen's Emma and played the ill-fated Stella Mawson in Anglia's first P. D. James' adaptation, Death of an Expert Witness, also directed by Wise. Other television appearances have included All Creatures Great and Small, Bleak House, Agatha Christie's Poirot, and two Doctor Who serials, 24 years apart, playing villainesses Kala in The Keys of Marinus in 1964, and Lady Peinforte in Silver Nemesis in 1988, as well as a definitive Ruth in Alan Ayckbourn's trilogy The Norman Conquests - Thames Television.
Walker married Herbert Wise in 1988. Her children, Charlie Walker-Wise and Susannah Wise, are also actors.