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: The sheriff wears his badge over his left side, which is traditional. As he is approaching on horse in the final scene of the movie it is still on his left side. Then for a few seconds in one shot his badge is on the right. (01:23:10)
Continuity mistake: In the scene where Jack Boundurant is getting threatened/punched by Charlie Rakes inside the home of Cricket Pate: Rakes is holding Boundurant and severely damaging a single side of his face. In the next scene Boundurant appears with his brothers and the wound appears on the other side of his face.
Continuity mistake: When Bob Hope is tied to the raised barber chair you can tell it is his stunt double in the far away shots because of the way his hair changes.
Continuity mistake: In the scene where Glen Ford shoots the stagecoach driver dead, the body falls to the ground. Glen Ford gives the order to put the "dead" man on the saddle of a horse. When the men lift him up, the "dead" man puts his right hand up onto the shoulder of one of the men.
Continuity mistake: When Solara hijacks the SUV after leaving George and Martha's, there are mountains that disappear from shot to shot. Right after Carnegie yells "Go back," you can see mountains in front of them. When Solara gets out and looks at them turning around, those mountains are gone. After she grabs the grenade and stands in the middle of the road, they are back. When she throws the grenade and Carnegie's vehicle swerves out of the way, the mountains are gone again. (01:27:30)
Continuity mistake: During the first gunfight between The Gunslinger (Yul Brynner) and Peter (Richard Benjamin), The Gunslinger is seen being shot in the middle of the body from the back. But, when you see him a second or two later, the shot is well over on his right side.
Continuity mistake: In the scene where we see school children leaving the building and are going home we see two children go over to the see saw to ride on it. Buffalo Bill is talking to a little girl just outside the doorway and when it cuts in for a closer shot of the girl, you can see in the background there are now four children on the see saw; then again when the little girl starts walking home its back to the original two children who were on the see saw earlier on.
Continuity mistake: When we see Nasty Canasta's drink, you can see there are holes on the counter next to the glass when the bartender puts two ice cubes in it. When Daffy Duck dares Nasty Canasta to drink it, the holes have disappeared.
Continuity mistake: When rescuing Burt Lancaster whilst tied upside down in the canyon, watch the two bandits behind Lee Marvin when he jumps down, as they retrieve the rifles stood up against the rocks twice.
Continuity mistake: In the scene where the wagon train is waiting for Wagonmaster Harlow to decide which fork in the road to take, all the shadows are to the left. As they approach Harlow, the shadows are in front and moment later when the wagons move off the shadows are to the right. (00:26:20)
Continuity mistake: When Oracle Jones is first sought out by the miners he drinks whiskey from a glass. As his visions grow he reaches for the whole bottle, and grabs the top to remove the cork; but the cork has already been removed.
Continuity mistake: A shoulder wound Raquel Welch has becomes a graze to the upper arm in the next scene.
Continuity mistake: When Johanna and the Captain are being chased by Mr Almay and his associates, their position in the wagon changes. First Johanna is on the Captain's left. Next shot she is on his right. Next shot she is back on his left. (00:42:14)
Continuity mistake: During the battle with the Indians we see two braves that get killed, both wear distinct costumes that only they have - one brave wears a simple costume consisting of just a breechcloth and single feather. Both braves get shot in the heart and fall off their horses and die at the same time. We then see these same two braves die repeatedly throughout the battle, just filmed from different angles. When the Indians ride off there are only two bodies that match these braves' costumes on the ground.
Continuity mistake: At night, Boone tells Ben the reason of his presence in that part of the country. As he is about to leave and Ben calls him by name, he is holding the ladle in opposite directions between shots. (00:19:35)
Continuity mistake: Aguilar is restless during the party, and he picks a tarot card from the table, which turns out to be Death arcane. In close-up the card is held by a single hand, but Frank Wolff is holding the card between both hands both before and after that shot. (00:42:20)
Continuity mistake: Joe Bass, freshly robbed by the Indians, is asking the slave "You come a long way from home, you ran away?" In his hand is a bottle of liquor with the cork on. Change shot, the bottle is open. New change, and now the bottle is closed again. (00:08:00)
Continuity mistake: After Brooke saw the note that classes were cancelled, she turned around, and her back was at an angle to the school door. A front view of her showed her back parallel to the door. When Briggs was walking away, Brooke's body was at an angle to the door again (and not pivoted to face the direction Briggs was going). (00:10:27)
Continuity mistake: Right before and during the ending shootout, the sky changes a few times, as does the sun angle.