Movie History Schock 1955 The Creeping Unknown 1955 The Creeping Unknown 1955 The Creeping Unknown 1955 The Creeping Unknown 1955 The Quatermass Experiment 1955 The Quatermass Experiment 1955 The Quatermass Experiment 1955 The Quatermass Xperiment 1955 The Quatermass Xperiment 1955