A rare glimpse of Hugo Weaving driving a car; even if it is just backing it out of a driveway. He has never owned a driver's license because of his epilepsy. You can see it was him because of his reflection in the side mirror.
One of the characters was originally meant to have been gone for a few years in Hong Kong. However, after shooting, they realized that the actor had a slightly American accent, so changed all references to Hong Kong to Vancouver, Canada.
During filming of the bar scene, a car crashed outside into the pub wall no one was hurt