Continuity mistake: Eddie Mars walks out to okay Lauren Bacall's bet and the lady sitting to the right of the croupier moves her left hand to put a chip on number 27 twice between shots. (01:11:35)
Continuity mistake: As Marlowe walks out of Eddie Mars place there are cars in the parking lot. In the next close up shot the cars are entirely different. (01:12:40)
Continuity mistake: After Marlowe walks out of Eddie Mars place to his car he reaches for the gun under his dashboard with both hands. In the next shot his left hand is behind the gun. (01:12:55)
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)
Continuity mistake: Lauren Bacall's white pocket book is in front of her on the roulette table as Eddie Mars talks to her but in the next shot when she speaks to Marlowe it disappears. (01:16:50)
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)
Continuity mistake: As Carmen and Marlowe speak to each other in his apartment the lamp on the table against the wall on her left rotates between shots and is moved closer to the candle holder next to it. (01:17:10 - 01:18:15)
Continuity mistake: In his apartment there's a pipe rack in the shadows on the table next to Carmen. Marlowe says to her, "What do you remember about Shawn Reagan?" and in the next shot the pipe rack is lit up. (01:17:35)
Continuity mistake: After driving home from Eddie Mars place Marlowe walks into his apartment and Carmen is there waiting for him. After he says, "come on Carmen, come on" she grabs his hand with both of hers and bites him. In the next shot she's holding him with only her left hand. (01:18:10)
Continuity mistake: Marlowe walks into Bernie Ohls' office and the sunlight coming through the blinds falls on the statue sitting above the bookcase as Bernie tells him, "You're to lay off the Sternwood case". They only speak for two minutes but as Marlowe walks out the sunlight falling on the back wall is in a different spot. (01:18:55)
Continuity mistake: Marlowe stands next to Bernie Ohls' desk as the inspector asks him to layoff the Sternwood case. The lamp on Bernie's' desk is tilted at a 45 degree angle. No one goes near it, but as Marlowe leaves the lamp is facing down towards the desk. (01:19:00 - 01:20:30)
Continuity mistake: After speaking to Lauren Bacall on a restaurant pay phone, two thugs jump Marlowe in a dark alley and the thug on the left throes a punch at him. The punch is at his face but in the next shot Marlowe's handkerchief gets knocked out of his pocket. (01:22:55)
Continuity mistake: After speaking to Lauren Bacall on a restaurant pay phone, two thugs jump Marlowe as he walks past an alley on his way back to his car. As the thug on the left throws a punch at him his fist doesn't even go near Marlowe's face. (01:23:00)
Continuity mistake: Marlowe sits down in a reclining chair as he speaks to Harry Jones and there's a book on the radiator below the window on the right. No one goes near this spot but later in the scene the book moves to the right. (01:24:55 - 01:26:45)
Continuity mistake: In his office, Marlowe sits down in a reclining chair as he speaks to Harry Jones. When we first see it the chair is about six inches away from the bookcase but two shots later in a close-up it's right against the bookcase. (01:25:20)
Continuity mistake: After the beating by the two thugs, Harry Jones helps him up and has his left arm around Marlowe. In the next shot his left hand is holding Marlowe's arm. (01:26:00)
Continuity mistake: When we first see him in Marlowe's office, Harry Jones is standing near the left edge of the desk. In the next shot he moves back about a foot and stands at the center of the desk than later he moves back and is at the edge again. (01:27:05)
Continuity mistake: Lash Canino turns out the light after he kills Harry Jones. In the next shot when Marlowe walks into the room the lights are back on. (01:29:40)
Continuity mistake: As Marlowe walks into room 428 in the Fulwider Building the light switch on the right of the door is lit up. In the next shot from the other side of the door it's not. (01:30:00)
Continuity mistake: Lash Canino leaves after he kills Harry Jones and Marlowe runs to the door after him. At first he has both hands on the door but in the next shot his left hand is on the sofa. (01:32:10)
