Character mistake: When writing in his ledger trying to reach 1 million oysters shucked, Adam's numbers do not add up. After 998,246 the next entry is 996,691 followed by 1 million. Did he mysteriously un-shuck 1,555 oysters?
Continuity mistake: In the cook for the Michelin stars in the end of the movie, Sienna Millers characters hairstyle keeps changing. She's wearing a red bandanna in few shots and not wearing it in alternate shots.
Revealing mistake: When Bradley come in the restaurant and ask the guest to apologise, he is starting to take the table cloth with everything on it but, while he is doing that, behind him you can see that the view of the restaurant it has a blue screen all over. You can even see the bushes outside.