Several of the street signs in the Witchwood sequence bear the names of the series producers (David Tomblin, for example) and other crew members. See more...
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Revealing: Number 6 is supposedly flying the helicopter, trying to escape from the Village. There are shadows from the rotor blades crossing his face as he pilots the aircraft. But look closely at the top of the transparent cockpit bubble over his head: you can see the real copter blades - completely stationary and not moving at all.