A Killer Within
- Blwyddyn: 2004
- Gwlad: United States of America
- Genre: Mystery, Thriller
- Stiwdio: Filmcorp, Fireside Film
- Allweddair:
- Cyfarwyddwr: Brad Keller
- Cast: C. Thomas Howell, Sean Young, Ben Browder, Dedee Pfeiffer, Giancarlo Esposito, Mark Hanson