Factual error: The musicians in the (real) Band of the Coldstream Guards that plays Happy Birthday for Christopher Robin are wearing their 21st-century uniforms and medals.
Other mistake: The Space Agency is trying to use an android mechanism (Human 2.0) to go to The Void and make first contact. Their first attempt at putting a human brain into the android fails. The solution is to make the android mechanism imprint human cells to facilitate the brain/android connection. The Agency is up against a time constraint, and someone comes up with the idea of using military Humans 2.0 to go on the voyage. Wait a minute! So now we learn there are other Humans 2.0 in existence? Wouldn't whoever made those already know how to solve the human brain/android interface? Why is the Space Agency reinventing the wheel? (00:40:55)
Revealing mistake: One actor played the roles of the twins. At the mental hospital, there were subtle but noticeable differences between the way Derek's bangs were combed to the right (flatter with no loose ends sticking out) and he had a small section of hair raised near the back of his part. When Derek left as Tyler, he still had Tyler's more jagged bangs and no raised section of hair near the back of his part. It's against the odds that the twins would have the exact same facial hair/haircut on visiting day. (00:17:45 - 00:20:20)
Factual error: Emmanuelle Devos goes to the airport to get her husband and daughter. Their plane landed at 7 PM (18:58 to be precise) as shown by the airport monitor. They get a cab to a hotel downtown, and then there's a scene when she books a restaurant from the hotel room. She tells her husband, who just took a shower, that they need to be at the restaurant at 8 PM. Her husband says that there's no rush then, since it's only 7 PM. Of course that's impossible, the Turin airport is about 20km away from the part of the city they are driving through, which at that hour has also significant traffic; if their plane landed at 7, at 8 PM they would hardly have any time left to spare. (00:29:00)
Factual error: Just after feeling the explosion from the south tower, Eddie's watch shows 17:37 whilst others and himself are stuck in the North tower elevator. The planes hit the towers in the morning. (00:35:00)
Factual error: The RAF Dakota that flies Robin and Diana back from Kenya in 1959 has American markings and D-Day invasion stripes, marking it as a heritage aircraft rather than a service aircraft of the era.
Factual error: The black leather chair of the Home trust banker is more modern than the movie setting in 1922. (00:59:35)
Continuity mistake: When the woman is sunbathing topless, the sun goes from being overhead in the far shots to in front of her in the closer shots. See also the difference in exposure.
Continuity mistake: When the soup is about to be served, you see the horns blowing to introduce Victoria, and you can see all of the footmen lined up already with trays of soup, but in the next shot, it shows that they are just starting to march in to line up with their trays of soup. (00:10:45)
Continuity mistake: During the Memorial Day toast, Katie's hand is on and off the glass between shots. The level of wine in the glass also changes inconsistently. (00:12:20)
Continuity mistake: At the beginning of the movie, Bob Fredericks pulls his bicycle over. His wife takes off leaving him behind. A young man walks by him twice in the two separate shots and at different distance. (00:01:00)
Continuity mistake: Michele Riondino has just killed the snitch and is going after the witness, a Chinese woman. He holds her at gunpoint; she does not move, but in a shot she has hair in front of just her left shoulder, both shoulders in the next. (00:30:30)
Continuity mistake: Izzy gets out of the car of her one night stand and lights up a cigarette. She begins to type on her phone, phone in the left, cig in the right. A jogger bumps her and in the next shot she coughs on purpose to try and make her put the cigarette out. From now on, Izzy's phone is in her right hand and her cigarette in her left hand. (00:08:05)
Continuity mistake: Charlie was standing in the hole he dug and his head was below ground-level, but when Eliza was talking to him, Charlie's head was above-ground. Half of Charlie's back was above-ground when his mother [Toni Collette] was outside. Front views of Charlie standing in the hole still showed him against dirt (head below surface-level) even after he was just shown with his head above-ground. (00:51:10 - 00:51:46)
Factual error: Allegra was said at the end of the film to have died aged 10. She was actually 5 years old when she died.
Continuity mistake: Addison put his sweater on (over his neck and arms into the sleeves). After his dad asked him if he was OK, the view of Addison in the mirror showed him putting his sweater on again. (00:16:04)
Continuity mistake: The glass bowl of spaghetti is filled within about 2" from the top, but the mound in the center almost reaches the rim when Janice carries it to the table. After Tim serves at least 1 cup servings onto 4 plates, the bowl looks just as full as it is when Edwin leaves the table. (00:14:27 - 00:16:17)
Continuity mistake: Giorgio Selva meets a new barista, apparently fresh from university after a dissertation on Hannah Arendt. During this first scene with her, her ponytail moves back and in front of her shoulder. (00:03:50)
Factual error: Since the movie was set in the 60s, David Senak couldn't have gotten in trouble for shooting the man running away. In the 60s, the police could legally shoot any criminal running away. This didn't change until Tennessee v. Garner in 1985.
Continuity mistake: In week 14, at his wife's request, the reverend goes visit Ye Win to ask him about increasing work shifts. When he is shown handing back forms to his fellow Burmese people, Ye Win puts down his pencil, but the pencil is back in his hand when he is passing the first. (00:57:10)