Joanna Duncan was born on January 21, 1922 in Abbottabad, Pakistan as Joan Brenda Duncan. She is known for her work on Spring-Heeled Jack (1950), The Scarlet Pimpernel (1955) and All for Mary (1954). She was married to Robert Carter and Michael Ingham. She died on July 30, 1995 in Sonning Common, Oxfordshire, England.