Factual error: When the convictions are overturned, the defendants' solicitor, Gareth Pearce (played by Emma Thompson) is shown arguing their case in court. In England solicitors cannot appear in the higher courts, and in fact a barrister presented the case. However, the film is 'dramatically correct' because it was Gareth Pearce who got them freed, and the barrister in question is far too full of herself without having the honour of being portrayed by Emma T.
Gerry Conlon: When can I go back to Belfast?
Detective: Next time you'll see Belfast, they'll be flying day trips to the moon.
Gerry Conlon: I always wanted to be an astronaut.