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Continuity mistake: The farmer's son hits Jake over the head with his crutch and as he falls to the ground the bandage around his right nostril has moved from earlier in the scene. (01:12:25)

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Revealing mistake: As Evelyn Mulwray drives Jake home after his altercation with the farmer look closely at the side window next to Jake. The car appears to be driving down the road but the reflection in the vent window is stationary. (01:13:40)

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Continuity mistake: A farmer shoots Jake's radiator, which spurts a steady stream of water and steam. In the next shot when the car crashes the radiator is not leaking. (01:10:30)

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Revealing mistake: When Jake returns a second time to talk to Russ Yelburton they go into Hollis Mulwray's office and a lot of the pictures have been taken off the walls. The crew makes a very lame attempt, using spray paint, to make it look as though the paintings have been hanging on a wall for very long time. Earlier in the movie we see these same spots and there is obviously no discoloration on the walls. (00:55:55)

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Continuity mistake: At Hollis Mulwray's office look closely at the drapes behind his secretary as Jake first walks in. No one goes near them but by the time she gets back to her desk they've been rearranged. (00:51:25)

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Factual error: In Jake's office, Evelyn Mulwray stands by the window and a mid twentieth century modern building is outside it to the right. (00:57:20)

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Continuity mistake: As Jake and Noah Cross sit down to eat lunch the column holding up the roof of the building is on his left. He gets up to leave only to sit down again and now the column behind him is on his right. (01:04:05)

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Continuity mistake: Mulwray's Secretary and Jake have a conversation as he waits to talk to Russ Yelburton. They do an excellent job keeping things tidy on her desk between shots but the white flowers and Jake's hat move without anyone going near them. (00:53:15)

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Continuity mistake: At Hollis Mulwray's office, Jake holds up the same envelope that we saw as Evelyn Mulwray talked to him in the restaurant. The address is now different and the street number is smaller. (00:51:10)

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Continuity mistake: At Hollis Mulwray's office, Jake looks at the picture of Noah Cross on the wall. At first the shadow of his head falls on the picture but in the next close-up shot it's gone. (00:51:05)

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Continuity mistake: As he returns to his office, Sophie tells Jake that Evelyn Mulwray is in there. Notice the three pictures on the wall between the two windows, which are perfectly straight. In the next shot after he walks in the bottom picture is crooked. (00:57:05)

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Continuity mistake: Jake and Noah Cross sit down to eat and the piece of lemon on Jake's plate moves between shots in the close-up. (01:01:15)

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Continuity mistake: When Jake and Noah Cross sit down to eat, their glasses are empty. In the next shot Jake's glass is filled with white wine. Later the waiter fills the empty glass again with white wine. (01:01:20)

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Revealing mistake: When Jake talks with a boy on a horse at the bottom of the LA River, in the distance you can see a television antenna on top of a house. There were no television antennas in Los Angeles in 1937. (00:39:45)

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Revealing mistake: When Roman Polanski cuts Jake's nose at the Oak Pass Reservoir, looking closely, his nose is fine and the blood is just on his cheek. (00:42:35)

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Continuity mistake: After leaving Evelyn Mulwray, Jake goes to the Oak Pass Reservoir to look for Hollis Mulwray. If you look at the design on his tie, it's obvious that it has been re-tied. (00:31:30)

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Continuity mistake: As Evelyn Mulwray and Jake talk at the restaurant, look closely at the seat behind him. In the long shots of Jake, both sides are lit up, but, in the close-ups, the left side is in the dark. (00:48:30)

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Continuity mistake: At night, Jake goes back to the Oak Pass Reservoir where Hollis Mulwray was murdered. At first he stands to the left of the no trespassing sign but in the next shot he's on the right of the sign. (00:40:35)

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Continuity mistake: As Evelyn Mulwray stands in front of Jake at the table in the restaurant, look closely at the red chair behind them. When she first walks in, the seam is under the wood post in the center of the screen. In the next shot, it's been moved about two feet to the left. (00:45:50)

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Continuity mistake: When Evelyn Mulwray meets Jake at the restaurant, look closely at the table behind them in the center of the screen. Two men are eating there and the tablecloth and napkin in the man's lap are rearranged between shots. (00:45:45)

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