Lesley-Anne Down (born 17 March 1954) is an English actress, former model, and singer.
She achieved fame as Georgina Worsley in the ITV drama series Upstairs, Downstairs (1973–75). She received further recognition for her performances in the films The Pink Panther Strikes Again (1976), A Little Night Music (1977), The First Great Train Robbery (1979), Hanover Street (1979), Rough Cut (1980), Sphinx (1981) and Nomads (1986). She is also known as Madeline Fabray in the miniseries North and South (1985–86), for which she was nominated for a Golden Globe Award in 1986.
In 1990, Down played the role Stephanie Rogers in the CBS drama series Dallas. During 1997–99 she played Olivia Richards in the NBC series Sunset Beach. From April 2003 to February 2012, she portrayed Jackie Marone in the CBS soap opera The Bold and the Beautiful.