Sarah Miles (born 31 December 1941) is an English theatre and film actress.
Sarah Miles was born in the small town of Ingatestone, Essex, in south-east England. She first attended Roedean but at the age of 15 she enrolled at RADA, the Royal Academy of Dramatic Art. Shortly after her completion at the Royal Academy of Dramatic Art, Miles debuted in 1962 as Shirley Taylor in Term of Trial (1962), co-starring with Laurence Olivier, with whom she had a brief affair. The following year, Miles became a well-reputed actress of British New Wave with her roles in Joseph Losey's The Servant (1963) and in Michelangelo Antonioni's Blowup (1966).
After acting in a variety of plays from 1966 to 1969, Miles was cast as Rosy Ryan, the daughter of Tom Ryan in David Lean's 1970 film, Ryan's Daughter. Her performance earned a nomination for the Academy Award for Best Actress.