Continuity mistake: Marlowe turns the page of Arthur Gwynn Geiger's diary and two pages on the left are sticking up. In the next shot all the pages are flattened out. (00:24:20)
Continuity mistake: As Marlowe goes threw Arthur Gwynn Geiger's strong box, the horse on his desk moves closer to the phone between shots. (00:24:40)
Continuity mistake: After Marlowe plops Carmen Sternwood onto her bed the lamp (on the left) moves over about two feet to the left in the next shot. (00:25:45)
Continuity mistake: After he brings her home from Geiger's house, Marlowe plops Carmen Sternwood onto her bed and both her hands are above her head. In the next shot her right hand is at her side. (00:25:45)
Continuity mistake: Marlowe puts Carmen Sternwood to bed and the folds in the curtains behind the left of her head board move and are arranged differently between shots. (00:25:50)
Continuity mistake: Marlowe drives Carmen Sternwood home and when we first see her in the car she's facing the passenger side door. In the next shot we see her reflection in the rear view mirror and she's now facing Marlowe (1945 Version on DVD). (00:27:05)
Continuity mistake: After taking Carmen Sternwood to her bedroom, Norris the Sternwood's butler helps Marlowe put on his over coat as he prepares to leave. Marlowe wasn't wearing it when he came into the house though and there's no indication that he had it in Carmen's car because when they left Arthur Gwynn Geiger's house he didn't have it on. (00:27:15)
Continuity mistake: Marlowe talks to Norris the Sternwood's butler at the front door and as he gets ready to leave he turns up his collar. In the next shot he turns up his collar again as he walks away (1945 Version on DVD). (00:27:45)
Continuity mistake: Marlowe goes into Geiger's house again to snoop around and he finds that Geiger's dead body has been removed. As he stands over the spot where the body was his shadow falls right on the bloodspot. In the next shot of him kneeling down and touching the blood stained carpet there's no shadow. (00:28:00)
Continuity mistake: Marlowe goes home after snooping around Geiger's house and we see the number 206 on his door with the words "Philip Marlowe, Private Investigator" underneath. Later when Inspector Bernie Ohls knocks on the door we see only the number 206 on it as Marlowe opens it. (00:29:20)
Continuity mistake: Marlowe sits in his apartment and tries to figure out the code in Geiger's notebook. On his desk the note pad next to his ash tray disappears when Inspector Bernie Ohls knocks at the door at two in the morning. (00:29:25)
Continuity mistake: As the police pull the Sternwood's Packard onto Lido Pier there are six ropes tied to the car when it comes out of the water, but only four when they hoist it up on top of the pier. (00:30:35)
Continuity mistake: The next morning after going to Lido Pier, Marlowe walks into the waiting room of his office and Lauren Bacall is sitting there reading a magazine as she waits for him. The lighting on her changes and the picture on the wall behind her head is lowered about six inches between shots. (00:32:20)
Continuity mistake: As they go into his office Marlowe opens the front door for Lauren Bacall. In the next shot a shadow appears on the door where there wasn't one before. (00:32:35)
Continuity mistake: Marlowe doesn't lock the door as he and Lauren Bacall walk into his office. Later when she walks out the door is locked. (00:32:40 - 00:37:35)
Continuity mistake: When Marlowe and Lauren Bacall walked into his office the phone on his desk was facing the back of the room. Later, Lauren Bacall asks to use the phone and it's rotated 45 degrees and is now facing them. (00:32:45 - 00:34:45)
Continuity mistake: Even though no one goes near them, the jar and the statue of a horse on Marlowe's desk move between shots as Lauren Bacall sits down on it while speaking to him about Carmen. (00:33:05)
Continuity mistake: As she sits on his desk Lauren Bacall says to Marlowe, "Well you better look at this" as she hands him a packet of photos. In the next shot as he holds them, the flap sticking out of the packet is reversed. (00:33:20)
Continuity mistake: In his office, Lauren Bacall talks about Carmen to Marlowe and says, "She was asleep when I left" and her hands are in her lap. In the next shot her left hand is scratching her knee. (00:34:05)
Continuity mistake: As she sits on his desk talking about Carmen, Marlowe says to Lauren Bacall, "Go ahead and scratch". The picture of Carmen is in his right hand but in the next shot both the picture and the envelope are in both hands. (00:34:10)
