Continuity mistake: When Pierce's wife is walking in her auto shop they pan down to show her red Louboutin heels, then they cut to her walking in her office, and when they show her shoes again they have a tan sole.
Continuity mistake: The movie begins with Michael calling his wife to say it's date night. He says 'hello my love', the scene ends with a shot and blood on a pint glass (assumption being Michael was shot) Later, the scene is re shown from another angle and the call starts 'hello Roz'.
Continuity mistake: Hugh Grant puts his hand on Charlie Hunnam's leg. Charlie Hunnam's hands are grasped between his legs right over his crotch. In the next shot his hand has instantly moved next to Hugh Grant's.