Continuity mistake: When the Lady Chablis "crashes" the debutante ball - she leaves her purse on the table while she dances, and then forgets to retrieve it before she leaves. (01:44:35 - 02:07:50)
Continuity mistake: Before The Lady Chablis leaves the debutante cotillion she talks to John. She is holding her glass in her left or right hand, depending on the camera angle. (01:44:05)
Continuity mistake: In the funeral scene, John Cusack's tie is at his collar. When he meets Irma P. Hall at the cemetery gate, his tie is pulled down.
Continuity mistake: In the last courtroom scene, while Sonny is making his speech, there is a close-up of Minerva holding a red cloth to her face. When the camera cuts to a wide shot of the audience the red cloth isn't there. (02:09:10)
Continuity mistake: In court before the Detective testifies, there is a big open space right in front of both the Stand, and the Jury Box. When Sonny shows the detective the crime scene photos in the very next scene, there is a huge wood table in that space. In fact, Sonny even sits on it when talking about Shelton the Cat.
Continuity mistake: When Spacey and Cusack are driving to the cemetery (at night) the front of the car is clearly visible, but the head lights are off. As they pull into the cemetery you see a side shot of the car and the headlights are on. (00:48:05)
Visible crew/equipment: When The Lady Chablis teases a couple in the audience you see the shadow of the boom mike in the woman's face. (00:58:55)
Continuity mistake: When Cusack was sitting outside the room at that women's only card playing meeting, the glass he's holding is continuously going from full, to empty, to full, to half empty to full..... (01:09:30)
Continuity mistake: When Mandy comes to John's place at night to get some ice for her party, the amount of ice in the bucket shrinks to about half when she leaves the apartment. (00:13:10)
Continuity mistake: When John picks up Mandy at the flower shop at night you see the same couple walking by the shop twice in successive shots. (01:53:00)
Other mistake: When Kevin Spacey is lying on the carpet after having been killed by Jude Law's ghost, there is a very strange shadow visible to the left of the picture which looks as though it is someone standing there with their hands on their sides. There is nothing in the room to suggest that this is a shadow of a bust or a reflection of anything.
Continuity mistake: When John has a flat battery Joe Odom agrees to take him in his coach. John leaves the car door open when he gets out, but when we see them driving off from inside the car the door is closed. (00:57:50)
Continuity mistake: When John interviews Jim in prison his tape recorder suddenly appears on the table when the camera angle changes. (01:03:50)
Continuity mistake: When Sonny asks John to sign a confidentiality agreement look at the papers and especially the pen on the desk. They change positions alternatingly depending on the camera angle. (00:06:25)
Continuity mistake: When Mandy and John talk in the children's playground sitting on swings, Mandy either has both feet up in the air or is pushing herself off the ground with one foot, depending on the camera angle. (01:16:00)
Continuity mistake: When Jim calls Sotheby's from the jail a prisoner walks up to him, hunting for cigarettes. The camera cuts to Jim, then back to the prisoner who is walking up to Jim again. (01:06:15)
Continuity mistake: After Mandy's singing performance she and John are having a coffee. While they are talking, John's tape recorder and Mandy's cup keep changing positions. Also the way Mandy holds her cup alternates with the camera angle. (01:14:20)
Continuity mistake: When John and Sonny visit Jim in prison, Jim is having a large bowl of gumbo. He puts down the spoon and it falls in to the gumbo. Then in the next shot the spoon is back in his hands without Jim having fished for it. (00:49:55)
Continuity mistake: After the first court hearing John is walking with Sonny and his associates. Sonny's briefcase is switching to and fro between his hands from shot to shot. (01:18:45)
Continuity mistake: When John and Jim take Uga for a walk a lady asks to have a photograph taken of her with the dog. Before John takes the picture kneeling down he puts his bag on the ground. When he gets up he hangs the bag over his shoulder. In the next shot it's in his hand again, before he hangs it over the shoulder a second time. (00:08:15)