Larry Koehn

Revealing mistake: A skeleton of early man is found by a workman digging through mud at an extension to the Underground railway system in London. The skeleton is suspended in a pocket of air, however, and shows no mud inside the rib cage or other body cavities.

Larry Koehn

Revealing mistake: The flashlight that the drillman used when the lights went out around the spaceship didn't match the light from the spot used by the film crew.

Larry Koehn

Revealing mistake: After the spaceship becomes alive and causes a cave-in, Barbara easily stumbles and moves the large chunks of broken cement beams as she leaves the pit with Quatermass.

Larry Koehn