Sarah Polley is a Canadian actress, director, and screenwriter, known for her work in both film and television. She gained fame as a child actress in the television series Road to Avonlea and later starred in films like The Sweet Hereafter and Dawn of the Dead. In addition to her acting career, Polley has made a name for herself as a filmmaker. Her directorial works include critically acclaimed films such as Away from Her and Stories We Tell, which showcase her talent for storytelling and exploration of personal themes.