Continuity mistake: In the scene in which they discuss Sylvia smoking, the paper on the table is different between shots. In the shots of Sylvia there is some paper near the can on the left. In the shots of Sal, the paper is not there. (01:03:00)
Factual error: During the car chase scene with the Mustang, the driver of the Mustang repeatedly shifts his automatic transmission from "drive" to L1. Also, one shot during the chase shows that driver's feet using a clutch to shift his automatic.
Audio problem: In the "How Lucky Can You Get?" musical number, when Fanny is turning on the stage lights she is not singing, although Streisand's singing voice is heard on the soundtrack.
Continuity mistake: As Blood tries to persuade Vic not to follow Quilla June into the Down Under, he is hopping with his broken right leg raised. In the circle he makes after Vick stops, he puts his weight on the leg for two different steps without ill effects or complaints. (00:53:55)
Continuity mistake: When Doyle arrives at the dock at the beginning of the movie, we see Doyle from behind. A boy with a yellow shirt and a girl with a flower dress pass him on his right side. However, there is a change of shot, and now we see him from the front, and behind him we see the boy and the girl, but instead of being at his right side, they're at his left.
Continuity mistake: At the very beginning when they are all getting into the yellow Ford car an outside of car camera cut from the front of the car to the side shows the lady's arm firstly inside, then rested on the door.
Continuity mistake: Jonathan explains how to deal with a biker, demonstrating on Blue who's sat on his bike close to the rail. Yet when he's talking to the new guy (Toughie)Blues bike is in the middle of the track and when Toughie comes around the track to attack Jonathan it is back in its original position.
Factual error: The 14th of February 1900 was a Wednesday, not a Saturday.
Revealing mistake: During the chase sequence towards the end of the film, Roger shoots five bullets into the windscreen of the blue car. If you look carefully, you can see there is no driver in the front seat.
Other mistake: Bobby, Clovis and Celia Bradley find a large gold nugget in a mine. An assayer says gold is worth $15 an ounce and values the nugget at $87,425. That would mean it weighs 364 pounds, more than double the weight of the record-setting 173-pound gold nugget found in 1869 in Moliagul, Australia.
Continuity mistake: When John Deakin discovers the Reverend's body in the coffin, the Reverend's eyes are closed in one shot and open in the next.
Continuity mistake: In the acupuncture parlour, when Sylvia Kristel begins masturbating, the needles are gone from her nipples and are nowhere in sight. (00:33:05 - 00:34:35)
Continuity mistake: After he raids the candy box in the parlor, Sigerson's face is smeared with chocolate. The stains change noticeably from shot to shot as the scene progresses. The smears on his chin vanish altogether, although he hasn't wiped his face. (00:49:40)
Audio problem: When Kipper are performing towards the end of the film, Tim the drummer is late on stage and the other band members have started to play their instruments, but you can still hear the drums play before Tim picks up the sticks.
Factual error: In the bar in Cartagena amongst the goods advertised there's a sale of slaves of color ("Negroes"). However the movie is set in the early XIX century and the sale the poster refers to (listing very specific figures) took place in South Carolina in 1769.
Factual error: Carnehan describes himself as a "gunnery sergeant". This is an American rank and no such rank has ever existed in the British Army.
Factual error: When the Chinese are loading crates onto the truck with St Paul's in the background, two much more modern buildings are visible either side of the cathedral - out of keeping with the 1910s/20s setting.
Other mistake: Peter Chang is billed in the opening credits as the one and only Fighting Instructors, plural.
Character mistake: In the fight in the Shaolin temple the Bruce Lee impersonator fights 4 monks who are supposed to attack him simultaneously, and they do, but Miss amazingly obvious openings, to the point of spending long seconds hopping around without attacking. Many martial arts movies feature as Common Mistake the main character facing multiple enemies that fight quite inefficiently, but few are this obvious when it comes to waiting a cue. (00:13:00)
Continuity mistake: The line of traffic on the landing side of Tower Bridge is completely different to when the jaguar lands and the capri lands.