
Sandra Peabody (born 11 January 1948) is an American film and stage actress, screenwriter, producer and acting coach. She is best known for her role as Mari Collingwood in Wes Craven's 1972 film The Last House on the Left (1972). A cult hit, the film established her as a prominent actress in horror, and she subsequently starred in Voices of Desire (1972), Massage Parlor Murders (1973), and Legacy of Satan (1974). Peabody's other notable role is Bird in the comedy film Teenage Hitchhikers (1975). Outside of film, she has starred in a variety of stage productions including Robert Kalfin's Tarot (1970). Peabody quit acting and has since became an acting coach and a screenwriter whose focus is on children orientated programming.

The Last House on the Left
1972 · as Mari Collingwood (as Sandra Cassell)

Never Sleep Again: The Elm Street Legacy
2010 · as Self

Voices of Desire
1972 · as Anna Reed (as Liyda Cassell)

Sexy Susan Sins Again
1968

The American Nightmare
2000 · as Self

Going to Pieces: The Rise and Fall of the Slasher Film
2006 · as Self (archive footage)

Ban the Sadist Videos!
2005 · as Self (archive footage)

The Case of the Smiling Stiffs
1973 · as Strip Poker Girl

The Legend of Boggy Creek
1972 · as Sandra (uncredited)

Massage Parlor Murders
1973 · as Gwen

Teenage Hitchhikers
1974 · as Bird

Love-In '72
1970 · as Joan Boyd (as Susan Sparling)

Texas Chain Saw Massacre: The Shocking Truth
2000 · as Self (Mari) (archive footage) (uncredited) (The Last House on the Left)

42nd Street Memories: The Rise and Fall of America's Most Notorious Street
2015 · as Self (archive footage)

Video Nasties: Moral Panic, Censorship & Videotape
2010 · as Self (archive footage)

Filthiest Show in Town
1973 · as Olga

Legacy of Satan
1974 · as Cult Extra

Misfit
1965 · as Actress (as Sandy Peabody)