Revealing mistake: In scene where Liz is telling captive ex-husband, Tom, that she will let him go after he helps her get Berlin, Tom gets up and you can see the chain on his leg is only held to the floor with a chain link that just screws closed.
Revealing mistake: When Elizabeth Keen removes the tape from Amalia's mouth after rescuing her, she briefly reveals the sticky side of the tape to the audience, showing another large swatch of tape attached to what should be the sticky side. This was done to prevent the actor's skin and provide easier removal.