Larry Koehn

Continuity mistake: A borazon drill was used to cut a hole into a panel. The hole was rather large, but when the special effects began showing the panel dissolving, the hole was much smaller.

Larry Koehn

Continuity mistake: Quatermass used tweezers to pull away the membrane covering the eye of a dead martian. A scene later, the membrane was intact.

Larry Koehn

Continuity mistake: The martians that were pulled out of the spaceship had compound eyes much like a fly. However, the lifeforce of the martian over London, had cross-eyed pupils.

Larry Koehn