Complex sentence: Ann Dowd (born 1956) is an American film, television, and theatre actress best known for her role as Sandra in the movie "Compliance" for which she received the National Board of Review award for Best Supporting Actress.
Split into simpler sentences: Ann Dowd (born 1956) is an American film, television, and theatre actress. She appeared as Sandra in the movie "Compliance" for which she received the National Board of Review award for Best Supporting Actress.