Revealing mistake: When Rachel has a red turban on and is supposed to be bald, you can see her hair under the turban.
Continuity mistake: When Zipper drops her off at her car at the beach, Marnie is wearing boots when she gets off his motorcycle. When she walks to the car she's wearing shoes.
Continuity mistake: When Billy and his daughter are at Moreen's grave the sun changes between shots.
Continuity mistake: Dr. Robert Laing is in front of the car where Munrow died. In the close-up, there's a much bigger pool of blood in front of it compared to the wider angle. (01:01:35)
Continuity mistake: First meeting with Lazarus; the pastor sits down, his wife is just about to, and Verdean's assistant has placed her bag on the table. Next shot, pastor and wife seated, but Miss Jensen is still just only then approaching the chair and putting the bag down. (00:08:25)
Continuity mistake: When Nicolas Cage is standing on a roof top patio with the oil industry financier, an orange disappears. The oil guy is peeling an orange as he talks to NC and then when Cage leaves the scene the orange is gone without it ever being eaten or discarded. (01:00:00 - 01:05:00)
Factual error: Cambridge was never bombed by Zeppelins in WW1 as portrayed in the film.
Factual error: Although this 2015 Norwegian disaster film is far superior to the many American disaster movies that it emulates, "The Wave" still suffers the most common error found in tsunami-themed disaster flicks: Crystal-clear flood waters. Of course, tsunami flood waters in particular are always inky-black with churning sediment and debris.
Continuity mistake: The first time we see Roland on his own at the bar, he's talking with the bartender, Michel. When he asks Roland in French where his wife is, Niels Arestrup's arm changes position instantaneously in an edit mid-sentence, and does the same a couple more times after. (00:11:30)
Factual error: The bunkers which are visible in the movie have not been prepped to look how they should in the years after the war. They would have been plastered and painted, not looking old and rusty as they appear in the movie.
Other mistake: Whilst the main character is having a 'talk' with the general, the world clocks on the way show 3:50 on time 1, and 3:49 on time 2. (01:25:10)
Continuity mistake: After the shooting at the concert, Lysistrata is in the bathroom downing the pill with some Don Julio tequila. The bottle lid is to the left of the bottle in the wide angles, to the right in close-up. (00:10:00)
Continuity mistake: Ian Jenkin stands to make an announcement. In the wide shot, the man at headtable has his right hand on the table, but in the next close-up he's putting down a coffee cup. (00:17:10)
Factual error: The delivery van bringing gear for the walk has a 718 area code on it. That area code did not exist until 1984.
Continuity mistake: In the locker room scene after Tony injures his knee, Tony walks outside the room crying and he then throws his helmet against a wall, causing the chin strap to fall off onto the floor in front of the the doors. When the coach walks in through the door, the chin strap has disappeared. When the coach and Tony hug, look just behind the coach's right arm. You can see a quick glimpse of the chin strap back on the floor where it was before.
Continuity mistake: Maggie and Henry are having breakfast after she phoned to her coworkers; the plates in front of them turn around at the cut. (00:35:30)
Factual error: There are several scenes in a field of barley. Tramlines are seen. Tramlines in crops were invented in 1975 to allow tractors and sprayers to drive up and down fields. Sunset Song is set around 1914, 61 years before tramlines were invented.
Continuity mistake: When the two protagonists are introduced to the private room and watch Dan's video message, the clock in the background never moves despite the several minutes duration.
Continuity mistake: In 1954, when Killian is about to leave home, he sticks a pair of skis into the snow. In the shot of Killian sticking his skis into the snow, his body is rotated slightly to the left to be face-to-face with the skis and his hands are touching them. In the next shot, his body is suddenly facing forwards and his hands are off the skis. (00:10:19)
Continuity mistake: When Penelope is sunbathing whilst Paul is on his laptop, she is face down with her head touching the lounger, but in the next shot, her head is suddenly raised above the lounger, then back to leaning against the lounger in the next shot.