🚀 The Quatermass Xperiment (1955) Released in the UK in 1955 (and later in the US as The Creeping Unknown ), is a landmark British science-fiction horror film. Directed by Val Guest and produced by Hammer Film Productions , the film is based on Nigel Kneale's legendary 1953 BBC television serial. It is widely celebrated for laying the groundwork for modern body horror and catapulting Hammer Films into a legendary horror powerhouse. 📝 Plot Synopsis