Lifeforce
- Godina: 1985
- Zemlja: United Kingdom
- Žanr: Horror, Science Fiction
- Studio: Golan-Globus Productions, Easedram, London-Cannon Films, The Cannon Group, TriStar Pictures
- Ključna riječ: space marine, flying saucer, vampire, comet, alien, halley's comet
- Direktor: Tobe Hooper
- Uloge: Steve Railsback, Peter Firth, Frank Finlay, Mathilda May, Patrick Stewart, Michael Gothard