Mary Peach (born 20 October 1934, Durban, South Africa) is a British film and television actress, who was married to the screenwriter and director Jimmy Sangster until his death in 2011.
She is best known for playing in several BBC television programmes including Disraeli. She starred opposite Rock Hudson in the film A Gathering of Eagles. She appeared in the TV series Doctor Who in the Second Doctor's story The Enemy of the World. When Diana Rigg left The Avengers in 1968, she was one of the actresses considered for the role of Steed's new assistant. In 1970 she appeared in the film Scrooge, a musical version of Dickens A Christmas Carol starring Albert Finney.