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Continuity mistake: In the restaurant Lauren Bacall pays Marlowe and says, "I hope this is satisfactory". When she hands him the check she's holding it from the edge but in the next shot she's holding it from the bottom and he's holding it from the edge. (01:02:10)

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Continuity mistake: Lauren Bacall walks into a restaurant, and sees Marlowe at the bar with his head tilted back as he finishes his drink, and says, "Hello". The guy to the right of Marlowe is looking at the bartender but in the next shot his head has turned ninety degrees as he's now talking to his friend. (01:00:10)

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Continuity mistake: In the DA's office Marlowe says to Capt. Cronjager, " That's all, I was in a tough spot, I was probably wrong but I wanted to protect my client" and Marlowe's hat is on the DA's desk right next to his left arm. In the next shot an ash tray with a smoldering cigarette is next to his left arm (1945 Version on DVD). (01:04:45)

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Continuity mistake: In the DA's office Capt. Cronjager says to Marlowe, " So all you failed to do was report a murder that happened last night?". If you look closely at the far right of the screen there's a shadow on the wall of a female sculpture that wasn't there when we saw this spot at the beginning of the scene when Marlowe and Bernie Ohls walked in (1945 Version on DVD). (01:04:50)

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Continuity mistake: Dist. Atty. White says to Marlowe, "And outside of Taylor, Lundgren and Brody, no one else knew about the Geiger killing?". A black appointment book on the middle of the DA's desk disappears between shots (1945 Version on DVD). (01:04:35)

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Continuity mistake: Chief Insp. Bernie Ohls hands the gun to Capt. Cronjager and we see that the lamp to the left of Dist. Atty. White is on. In the next shot if you look at the back of Dist. Atty. White's chair and the blinds behind him it's easy to see that the lamp is now off (1945 Version on DVD). (01:03:10)

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Continuity mistake: As Marlowe sits down Dist. Atty. White is playing with a back scratcher and his left hand is closed around the end of it. In the next shot his left thumb is sticking straight up in the air touching the tip of the back scratcher (1945 Version on DVD). (01:02:35)

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Continuity mistake: Before Marlowe sits down Dist. Atty. White has a statue on his desk between Marlowe and himself. In the next shot after Marlowe sits down the statute disappears then reappears again in the shot after that (1945 Version on DVD). (01:02:40)

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Continuity mistake: Marlowe takes his hands off the steering wheel as he sits in his parked car waiting for Joe Brody's killer, Carol Lundgren, to walk by. In the next shot his left hand is back on the steering wheel. (00:57:35)

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Continuity mistake: Marlowe walks into the DA's office with Chief Insp. Bernie Ohls behind him. At first Marlowe's hat is covering his chest. Than in the next shot as he walks through the door, the hat and his right arm are at his side (1945 Version on DVD). (01:02:25)

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Continuity mistake: Joe Brody's killer, Carol Lundgren, gets into Marlowe's car and looks directly through the windshield. In the next shot when Marlowe gets into the car Lundgren's head is turned to the right looking at him getting in. (00:58:05)

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Continuity mistake: Marlowe says to Bernie Ohls at the District Attorney's Office, "you, come up to 7244 Laverne Terrace". He's calling from Arthur Gwynn Geiger's house and we just saw the number on the mailbox when he came in and it's 460 Laverne Terrace. (00:58:25 - 01:00:30)

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Continuity mistake: Carol Lundgren rings the buzzer and Joe Brody walks toward the door holding a cigarette in his right hand. In the next shot as he answers the door the cigarette is in his left hand. (00:56:30)

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Continuity mistake: Outside Geiger's house, Marlowe throws his gun down on the floor making Carol Lundgren reach for it. He kicks him and knocks him out but if you look closely he only touches Lundgren's left shoulder with his foot, nowhere near his head. He doesn't hit anything as he falls either. (00:58:55)

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Continuity mistake: At Geiger's house, Marlowe uses a long piece of rope to tie up Carol Lundgren and extends the end of it several feet to the right of his body. The next time we see the body the rope is not there. (00:59:15)

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Continuity mistake: Marlowe says to Joe Brody, " You can only die once for a couple of murders" as he walks over to his desk that we've seen in an earlier shot and the phone has been moved even though no one went near the desk. (00:51:40 - 00:54:10)

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Continuity mistake: Marlowe tells Joe Brody to get the pictures of Carmen Sternwood and he walks over to his desk that we've seen in an earlier shot. No one goes near the desk but a different set of books are between the horse head bookends, and they keep moving throughout the scene. (00:48:40 - 00:52:20)

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Continuity mistake: After Carmen Sternwood comes into the apartment Marlowe walks over to Joe Brody to get the gun he has in his right coat pocket and Joe's hands are near his waist. In the next shot his hands are raised up around his chest. (00:52:10)

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Continuity mistake: In Joe Brody's apartment Marlowe says to Lauren Bacall, "Don't argue with the man, do as he says, sit down". She sits down on the right side of the couch next to the pillow and never moves from that spot, but several shots later in a wide shot she's sitting in the center of the couch. (00:50:00)

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Continuity mistake: Marlowe walks into Joe Brody's apartment at the Randall Arms and there's a dark shadow across Joe's face as he answers the door. In the next shot as Marlowe walks in his face is lit up. (00:48:40)

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