Other mistake: Recreated newsreel of a trip to Japan by Moe Berg before Pearl Harbor attack shows copyright date of MCMXLIV (1944) in the lower left corner, 3 years after the attack. (00:16:25)
Other mistake: Why did Merrimen have to show Donnie how to use a M4? Earlier in the movie it was stated that Donnie was in the Marines for a short time.
Other mistake: The construction of a staircase does not require a large nail at the site shown on the steps. Furthermore when Emily snags her clothes basket on the stairs it lifts a small nail up. How did it grow into a 2 inch fat nail?
Other mistake: When he arrives at the club he texts "I'm here" and receives the reply "bathroom" but the texts are on the wrong side of the screen. It looks as if he replied "bathroom". (01:20:10)
Other mistake: A police helicopter nearly crashes and has to veer away because of the superheated air around the building when only a few floors are on fire, but Will Sawyer and everyone else can function normally when half the building is ablaze. In fact, everyone barely breaks a sweat despite being surrounded by flames.
Other mistake: Just after signing the contract, you briefly see Stan in his hotel room. The smoke from his cigarette is moving downwards.
Other mistake: When the detective sends the traffic cam footage, a Gmail alert pops up. However, the dad is currently using Margot's computer, not his. He previously logged into Margot's gmail account on this computer so any alerts received would be Margot's mail, not his.
Other mistake: The red rescue helicopter which is approaching and crashing is a Jet Ranger while the model filmed later on the crash site is a MBB BO 105. Most obvious are the differences in the landing skids and the front nose of the cabin. I guess the Prop used for the ground filming was an actual abandoned helicopter. The approaching and crashing helicopter is most likely CGI, so it should have been easy to have them matched. (00:15:00 - 00:21:00)
Other mistake: During the Honeymoon Montage at the beginning of the film, there's one moment where Christian and Ana are on The Fair Lady boat and Ana's wearing a spaghetti strap shirt/dress and Christian's wearing a blue denim shirt. This would if not later on in the movie we see Ana slipping on this shirt and Christian in the blue denim shirt, AFTER the montage scene even though it hasn't happened yet. This is even more evident by a deleted scene - The Hickey/Apology Scene - which takes place just before Ros called to tell Christian and Ana about the fire at GEH. So, basically, they wore these clothes before it was actually shown in the movie.
Other mistake: For the most part we see Malorie floating in the boat going with the river. However, numerous times we see her rowing against the tide. Even blindfolded you would be able to tell you are rowing against the flow by the resistance on the paddles.
Other mistake: When Tony and Dr. Shirley are driving in a snow storm, in the view from the front of the car, the wipers seem to pass behind the snow on the windshield, and the blades appear longer than the area cleared. It's almost as if the snow was added on later in post-production. It's most noticeable if you look at the tips of the wipers as they approach the tip of the snow on the windshield. (01:51:35)
Other mistake: At the very beginning when Riley shots the dude in the head, the blood comes out but the bullet does not break the glass.
Other mistake: In the cast list during end credits, the name "Wang Jin's granddaughter" is missing a 'T', misspelling it as "granddaugher". (03:50:25)
Other mistake: During the murder in the stairwell, an old woman opens her apartment door outward, and Varg kicks it shut. Apartment doors always open inward, as did Euronymous' apartment in the same building.
Suggested correction: Euronymous' apartment door opens outward into the hallway, at least in the final scene it does when he's trying to get away from Varg.
Other mistake: The opening text crawl stated that Ellen Taper Leigh (Annie's mother) died on April 3rd, 2018. But after the family return home after her funeral, the screen on Annie's laptop is shown at one point, and the date is listed as 10/9/2017. (00:00:25 - 00:06:51)
Other mistake: The man who shows Kurt around the Dusseldorf Art Academy (and later becomes his friend) introduces himself as Harry Preusser, but during the end credits, his name is listed as Gunther Presseur. (01:54:25 - 03:04:00)
Other mistake: The Israeli commandos are painting an orange Mercedes black using brushes. In later scenes the car has perfect factory finished black paintwork.
Other mistake: When Tyler is in the bathroom brushing his teeth, he is facing a wall-sized vanity mirror. The mirror should not be able to reflect the window along the adjacent wall (along the right side). Also, regardless of what angle of Tyler the mirror is reflecting, it reflects the same image of the wall. (00:30:26)
Other mistake: At the starting shoot out, a sniper using a 50 Caliber rifle takes a shot at a guy behind a car window and the bullet barely puts a set of cracks in the glass, and not even a visible hole. The weapon appears to be Barrett M107, a very powerful rifle. Other times during this shootout the rifle is seen blowing windows completely apart on other vehicles. (00:03:10)
Other mistake: When Michael borrows a cell phone on the train, he goes to the back to get a signal. In reality, walking around on a moving train does not do anything because you're already moving.
Suggested correction: Only Big Nick and the other cops knew Donnie had served. They had his records pulled up. Donnie never told the other crew so he could look inexperienced enough to not run the whole show. It made it easier to double cross both sides later. Donnie played the fool to get the upper hand.
50 cent told Merrimen "he was a marine for a minute" also Donnie has an Eagle, Globe and Anchor tattoo (Marine Corps).