The Quatermass Xperiment

In the English countryside, a rocket crashes on a farm, and Professor Bernard Quatermass and Scotland Yard Inspector Lomax investigate. The rocket was launched by Quatermass, carrying astronauts Victor Carroon, Greene, and Reichebheim, but only Carroon is found sick. He's taken to a clinic, where his wife Judith becomes suspicious and discovers he's transforming into a monster.