Born on December 20, 1952, in Taunton, Somerset, she began her acting career as a child in the 1960s, gaining early fame with "The Railway Children." She transitioned to adult roles, achieving international recognition with films like "Walkabout" and "Logan's Run." Known for her versatility, she appeared in both British and American productions, including "An American Werewolf in London." Beyond film, she's starred in TV series such as "Call the Midwife" and is active in charity work, particularly for cystic fibrosis.