Continuity mistake: When Canino gets out of his car there are no tire tracks because the dirt underneath has been raked smooth. Later, when Art Huck runs away after Marlowe shoots, we see the same spot and tire tracks now appear under the rear tire. (01:41:30 - 01:42:10)
Continuity mistake: After his car pulls up, Canino gets out and lights up a cigarette that he quickly throws to the ground when Lauren Bacal screams. Later, when Art Huck runs away after Marlowe shoots, we see that same spot again and the cigarette is now bent in half and in a different spot, almost under the car. (01:41:30)
Continuity mistake: Even though no one has gone near it, Lash Canino's steering wheel has been turned from the time he and Art Huck park next to the house to when he is shot by Marlowe. Not only is the shadow underneath different throughout the scene but the front wheels are turned all the way to the left after he's shot. (01:41:30 - 01:43:50)
Continuity mistake: Before the altercation with Art Huck, Marlowe goes to his car to get his gun and we see that there's no shrubbery on the right of it. Later he hides behind his car as Lash Canino holds Lauren Bacall hostage and there's a tree right next to him. (01:41:40 - 01:43:10)
Continuity mistake: Marlowe goes to get his gun and opens the driver's side door of his car and there is no vent window. In the next shot as he closes his car door, a vent window now appears. (01:41:45)
Continuity mistake: In Art Huck's living room, Marlowe says to Lauren Bacall, "He'll beat my teeth out then kick me in my stomach for mumbling". The rope and knot tied around his chest change between shots (1945 Version on DVD). (01:42:00)
Continuity mistake: As they talk in Art Huck's living room, Lauren Bacall's cigarette has a nice long ash on it but in the next shot, when she puts it in Marlowe's mouth, there's no ash (1945 Version on DVD). (01:42:05)
Continuity mistake: There's a crooked sixth rail on Art Huck's porch that we see up close as he jumps over it when Marlowe shoots at him. Later when Marlowe says to Lauren Bacall ," we'll have to take his car" we see the railing again and it has been set straight. (01:42:10 - 01:43:40)
Continuity mistake: Art Huck runs away after Marlowe fires a warning shot at him coming out of the house. Marlowe watches him as he runs away but looks in the wrong direction behind his car instead of to the front left where we see him running. (01:42:15)
Continuity mistake: As he sits tied up by the couch, Marlowe says to Lauren Bacall, "Take this thing out of my mouth," and his entire face is wet with the water that Pat Clark threw on him. In the next shot as she takes the cigarette out of his mouth before they kiss, his face is almost dry (1945 Version on DVD). (01:42:15)
Continuity mistake: Lash Canino's right arm is extended out in front of him as he shoots at Marlowe's car. In the next shot his elbow is at a 45-degree angle as Marlowe confronts him. (01:43:15)
Continuity mistake: Lauren Bacall's not pointing anywhere near the car when she shouts, " there, there, behind the wheel" in order to distract Lash Canino. He eventually shoots at the right spot anyway as he tries to kill Marlowe. (01:43:15)
Continuity mistake: When they meet up at Geiger's house at the end of the movie Eddie Mars says to Marlowe, "What are you gonna do about it?" as he leans back onto the couch. In the next shot he's sitting straight up facing him. (01:50:45)
Continuity mistake: Eddie Mars is shot several times as he runs outside the house but when he falls back threw the door there are no bullet holes or blood on his jacket. (01:51:40)
Continuity mistake: After Eddie Mars falls back threw the door bullet holes are sprayed across Geiger's door. A few seconds later Marlowe kicks the door shut and the bullet holes are not in the same place on the back of the door as they were before. (01:51:55)
Continuity mistake: When Philip Marlow goes back to his apartment the camera zooms in on the card with his name and profession on the door right below the apartment number, yet when he opens the door when Vivian comes, the card is missing.
