Knife Edge
- Cast: Natalie Press, Hugh Bonneville, Tamsin Egerton, Svetlana Metkina, Joan Plowright
- Duration: 90 minutes
- Genre: Horror, Mystery, Thriller
- Rating: 4.455/10
- Release Date: 2009-10-23
A successful Wall Street trader returns to England with her new husband and five-year-old son, but their new start together turns into a nightmare when they move into a country house which contains a terrible secret.
