The Quatermass Xperiment
- taona: 1955
- Firenena: United Kingdom
- Genre: Science Fiction, Horror, Mystery
- Studio: Hammer Film Productions, Exclusive Films
- Keyword: london, england, transformation, alien life-form, rocket, rocket crash, escaped patient, hospital, space exploration, alien organism, westminster abbey, cactus
- tale: Val Guest
- Cast: Brian Donlevy, Jack Warner, Richard Wordsworth, Margia Dean, Thora Hird, Gordon Jackson