Knife Edge
- Blwyddyn: 2009
- Gwlad: United Kingdom, United States of America
- Genre: Horror, Mystery, Thriller
- Stiwdio: Lipsync Productions, 120dB Films
- Allweddair:
- Cyfarwyddwr: Anthony Hickox
- Cast: Natalie Press, Hugh Bonneville, Tamsin Egerton, Svetlana Metkina, Joan Plowright, Nina Muschallik