Continuity mistake: When Tom's car crashes against the water bottles, the crash causes a hole in the windshield. A second later it's fixed and perfect.
Factual error: Gordon Brown is played by an actor who is 6ft 3in, while Tony Blair is played by an actor significantly shorter at 5ft 9in. Tony Blair is in real life fractionally taller than Gordon, at 6ft and 5ft 11in respectively.