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Continuity mistake: Marlowe drives Lauren Bacall home from Eddie Mars place and after he kisses her she wraps the strap of her pocketbook around the index finger of her left hand. In the next shot it's wrapped around the thumb of her left hand. (01:16:30)

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Continuity mistake: Bela Lugosi's wife was buried under ground and we see the gravediggers cover the casket. In the next shot we see her above ground near the mausoleum. (00:08:15)

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Continuity mistake: After driving Lauren Bacall home from Eddie Mars' place Marlowe walks into his apartment and we see the number 206 on the door. In the next shot from inside we see another door that doesn't have 206 on it. (01:17:05)

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Continuity mistake: Tor Johnson sits in the front seat of the squad car at the police station. In the next shot of them arriving at the cemetery he's sitting in the backseat. (00:09:20)

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Continuity mistake: The hostess is standing at the door to Eddie Mars' room. In the next shot as Marlowe walks in she's leaning against the door frame. (01:07:50)

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Continuity mistake: After they finish their drinks in the restaurant Marlowe says to Lauren Bacall , " I don't want to hurt you, I'm trying to help you" and she goes from holding her right hand in her left to holding her left hand in her right between shots as she looks at him. (01:04:45)

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Continuity mistake: Marlowe says, "Is Mr. Mars around? I'm Marlow, he's expecting me" to a hostess and her left hand is on the counter and her right hand is at her side. In the next shot both of her hands are out in front of her. (01:06:10)

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Continuity mistake: As they have drinks in the restaurant Marlowe says to Lauren Bacall , "I don't know how far you can go" and she replies, "A lot depends on who's in the saddle" and he goes from having his right hand next to his drink to having both hands around his drink between shots. (01:03:35)

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Continuity mistake: Eddie Mars pours Marlowe a drink and he puts the bottle down dead center on a tray on top of the liquor cabinet. He doesn't go near the bottle but later when we see it again it's right of the center of the cabinet, and in the last shot of it it's to the left of the center of the cabinet. (01:08:20 - 01:09:15)

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Continuity mistake: As they have drinks in the restaurant Marlowe says to Lauren Bacall , " Who was it that told you to sugar me off this case, was it Eddie Mars?" and his drink jumps four inches to left between shots in relationship to the plaid tablecloth underneath. (01:03:55)

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Continuity mistake: Marlowe goes into Eddie Mars'place and the butler opens up the door with his left hand while his right hand is at his side. In the next shot his right hand is touching the door. (01:06:00)

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Continuity mistake: Marlowe stands in a doorway and watches Lauren Bacall singing and we see several people walking through the front door behind him. In the next shot there are only two women walking through the front door. (01:06:40)

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Continuity mistake: Lauren Bacall says to Marlowe, "Could that be stretched to include me?" as they sit drinking at the table in the restaurant. If you look closely the amount of ice in her drink changes between shots. (01:02:40)

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Continuity mistake: Lauren Bacall sings "Tears Flowed Like Wine" and in the shots of her from behind the band there are several more extras between her and Marlowe than there are when the camera films her from his vantage point at the door. (01:07:20)

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Continuity mistake: The woman and the gentleman in the tux sitting next to Lauren Bacall are facing forward when we first see them as Lauren sings "Tears Flowed Like Wine". In the next shot the camera angle changes and they have moved ninety degrees and are now facing her. (01:06:45)

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Continuity mistake: When Eddie Mars' pours Marlowe a drink there's a lamp shining on the left of the liquor cabinet. The next time we see this spot the lamp has been moved as the shadows on the liquor cabinet are falling in the opposite direction. (01:09:15)

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Continuity mistake: Inside Eddie Mars' nightclub Marlowe talks to one of the hostesses at the coat check counter. The strap on the pocketbook in front of him is on top of the counter but in the next shot as she walks away the strap is draped over the edge of the counter. (01:06:10)

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Continuity mistake: The co-pilot radios in to Burbank tower in the middle of the night. In the next shot we see the saucer and it's broad daylight. (00:04:30)

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Continuity mistake: The hostess shows Marlowe Eddie Mars' room but in the next shot as he walks into it a table with a statue on it replaces the chair that was there in the previous shot. (01:07:55)

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Continuity mistake: Lauren Bacall asks Marlowe, "tell me, what do you usually do when you're not working?" and the matches sticking out of the holder on the table are rearranged between shots. (01:02:30)

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