Continuity mistake: At the end when they are driving away in the car and Oz says "This is too much. It's great, but too much." Jimmy is patting him on his shoulders. When it cuts Jimmy's hand is gone from his shoulders. (01:29:35)
Continuity mistake: When Jill is standing over Lazlo ready to shoot him, Jimmy tosses her a rope, which she quickly drops on the floor. In the next shot the rope is back in her hand. (01:31:00)
Continuity mistake: When Cynthia is driving down the road talking to Jimmy on her cell, she hangs up twice at the end of the conversation.
Continuity mistake: Early in the movie, when Jill St. Claire tip-toes into the house while Jimmy the Tulip is busy with household chores, she invariably gets caught by the new family man anyway and eventually takes the argument with him upstairs to the bedroom. Carrying on the shouting match with her husband while getting change in front of the closet, a pair of shiny silver handcuffs (most likely the kinky kind - what business could a hitman possibly have with handcuffs?) can be seen hanging behind her head. By the time the outer layer of her clothing is stripped, the handcuffs disappear.
Continuity mistake: The first time Bruce Willis talks to Matthew Perry on the phone Bruce holds the phone in his right hand. Bruce's watch changes positions, well below that bump/bone below the wrist to above the bump/bone and then below again. Bruce never lowers his arm, or the phone, to cause the watch to move.
Continuity mistake: The damage done to the rental car changes from the time Jill leaves the hotel parking lot (when she's mad at Jimmy) and when she is shown driving it on the street.
Continuity mistake: When Jill and Jimmy are arguing at the motel, Oz tells Strabo that Jimmy killed 21 people. Later at the bar when Jimmy is very drunk, he tells Oz that he has killed 21 people. Oz corrects him and says, "22 people", and Jimmy says, "Who'd I forget". Oz replies with "Frankie Figgs". Apparently Oz had forgotten that information as well when he was bragging to Strabo earlier. (Also, why would Oz know who Jimmy had forgotten?).
Continuity mistake: In the beginning of the movie, Lazlo is writing on some paper and it shows him writing with his left hand but when they cut away they show him holding the pen in his right hand.
Continuity mistake: Near the end of the movie when Lazlo sits on the couch he has a lit cigarette, the shot cuts to Jill then back to Lazlo his cigarette is not lit then in the next shot it is lit again.
Continuity mistake: In the scene where Oz and Jimmy are in the bar drinking shots, Jimmy's arm switches from up towards his head, then down, then up again, while they are talking.
Continuity mistake: In the shot where Amanda Peet is trying to seduce Oz, she drops her shirt. We're supposed to think she is naked beneath that, but we see that she has a bandanna around her chest.
Continuity mistake: When Lazlo and his men raid Oz's house, all of them have a chat in the living room. Watch the men standing behind Lazlo. Their positions, as well as the number (3 or 4 men depending on the shot), keep changing around.
