When Stanley Baker's police inspector character visits the house of the pub landlady - where the suspected bank robber and murderer has been sighted - she lets him into the hallway. He casually pushes the front door back, but it does not close, staying noticeably open. While a violent criminal is at large and possibly in the vicinity, leaving the door casually open while they move into the living room seems very lax for a senior policeman.
At 101 minutes into the film, Inspector Harry Martineau (Stanley Baker) climbs up a roof toward the ridge. In front of him and to his left is a chimney stack at the gable end. The next shot, from the opposite side, shows Martineau climbing over the ridge, but not at the gable end. In a third shot, from a different angle, he is back at the gable end but there is no chimney stack.
When Savage is being interviewed, his arms resting on the table move between shots.
When the girl Silver is shot in the attic by Starling, she is directly facing him.
Yet, when the detective mentions her injury, he says, she was "shot in the back".
After being forced into a ditch by the Buick travelling in the opposite direction to him Warren Mitchell gets out to find the body of Cecily in the ditch on the other side of the road. But the speeding Buick had already put behind it some considerable distance between the dumping of Cecily's body and its encounter with the Morris Oxford on the narrow moor road.
The dead girl on the moors appears to blink but in fact she doesn't and it is her hair blowing in front of her eyes which causes this illusion.
After speaking with Don on the phone, Lucky tells Doug to pour two pints of bitter. In seconds he has implausibly hand-pulled two (slightly uneven) pints.
No matter how the coins are thrown in the "tossing school" game, they always fall within the same small area (that is, the film frame).
(at around 15 mins) When the driver says "Here we go," director Val Guest and another member of the crew are reflected in the side of the car.