In Chapter: 6, the conversation that Craig's 'Vis-a-phone' recorded is not the same conversation between Shirley and Verna that happened earlier. In the earlier conversion, Shirley's name is never mentioned and the acting was different. The recording is a reenactment.
In Chapter: 3 Foreword, it states that "...the Clutching Hand fires an automatic pistol-point blank through the window." This doesn't happen. What does take place, is a taxi going over a cliff to end the previous chapter.
In Chapter: 4, near the beginning, Craig (Jack Mulhall) is fighting with a sailor at the top of the stairs. Before Craig even hits him, the man backflips over the railing.
In Chapter: 11, when Mitchell (Robert Walker) is drugged unconscious and taken to the ship, you can see he is walking and not being carried.
In Chapter: 8, when it's discovered that Craig is disguised as a sailor at the harbor bar, one of the henchmen yells out; "Come get him boys!" Everyone gets up, but only a few start fighting with Craig. The rest are just bystanders. As Craig escapes from the bar, all of the sailors in the bar are eager to get him. No bystanders.
In a early chapter, Kennedy says, he and the Clutching Hand go way back. Indicating they've matched wits before. But once it's revealed who the Clutching Hand is in the final scenes, it doesn't make sense. Kennedy and this person have never met before. Even if this person was pretending to be the Clutching Hand. It just doesn't add up.
During the barroom fight in chapter one, it is quite obvious that some of the cheers and shouts from the onlookers (particularly the man shouting "Oh boy!") have been sped-up.
In Chapter: 5, near the beginning, the camera man can be seen in the reflection of the rear window of the car.