When Charlie , Libby are discussing Reggie,s torso and his tattoos Reggie whilst brushing his hair points at Charlie as Charlie says it reminds him of a loo wall whilst with a different camera angle both Reggie,s hands are on his head and not pointing at anyone.
A dark saloon car parked on the station concourse is visible from the announcer's window early in the scene at Waterloo station, but later in the scene a yellow utility vehicle suddenly appears parked beside it.
When Charlie is in the terminal building at Heathrow airport selling the dog to the American tourists there is a BEA Trident slowly taxiing outside the viewing window, but at the end of the scene when they get up to leave the airplane in question is no longer visible.
In the final scene, the Italian backdrop fails to switch perspective on the shot-change.
Liza Missenden Green's forename is spelled incorrectly as Lisa on Charlie's list.
When Charlie and Libby are in the apartment discussing where Reggie might have hid the bank account numbers the shadow of the boom mic is visible on the wall behind them as it tracks Charlie crossing the room.