Casual Person

Continuity mistake: Before Mr. Boddy turns out the lights, there is a statue a few inches below and away from the switch. However when Mrs. Peacock turns the lights back on, the statue is directly under the switch. (00:26:25)

Casual Person

Continuity mistake: When Wadsworth is doing the re-enactment of the murderer killing Mr. Boddy with the candle stick, he pretends to hit Mr. Green. After he says "Will you stop that?!", Wadsworth grabs him with one hand. But when he throws Mr. Green into the toilet, he is holding him with two hands. (01:11:25)

Casual Person

Continuity mistake: When Wadsworth re-enacts the evening, he stabs a piece of meat to re-enact the Cook being stabbed. When he stabs the piece of meat, the knife is at a 90 degree angle. In the next shot, it's in a different angle. (01:08:30)

Casual Person

Continuity mistake: When Professor Plum says Mr. Boddy might have been poisoned with the brandy that Mrs. Peacock starting drinking, she screams and drops it simultaneously. In the flashback, Mrs. Peacock starts screaming violently, and then dropped it.

Casual Person

Continuity mistake: When the Cook's body falls out of the freezer on Mr. Green, he is pushed onto the floor. In the next shot, he is standing back up again. (00:33:20)

Casual Person

Continuity mistake: The Singing Telegram's body position changes when everyone finds her. (01:04:45)

Casual Person

Continuity mistake: When Mr. Green is showing the cop the dining room, you can see the hallway is completely empty. In the next shot, Professor Plum and Miss Scarlet are half way between the study and the lounge. (00:57:55)

Casual Person

Continuity mistake: Colonel Mustard pours everyone a drink, he puts the whisky on the table and in the next shot the glass he poured whisky in is in his hand without enough time to pick it up. In addition, he puts the decanter down closer to him in the close-up, than it is in the medium long shot. (00:41:15)

Casual Person

Continuity mistake: Miss Scarlet moves to a table to open her unexpected gift. When she says "I enjoy getting presents from strange men", if you look close enough, she goes to remove the box's ribbon twice. (00:24:45)

Casual Person

Continuity mistake: When Professor Plum is sitting on the couch between the corpses of the Mr. Boddy and the Cook, Mr. Boddy is lying in Professor Plum's arm, in the next shot when Colonel Mustard, goes to close his eyes, he is now lying next to the arm of the sofa.

Casual Person