Shaun Dooley, who played Jon in this movie, has some experience with disruptive teens. He starred as Greg, an ASBO in the British Channel 4 drama Misfits (2009)
Michael Fassbender and Kelly Reilly were both born in 1977 but were in three months apart from each other. Fassbender was born on April 2nd and Reilly was born on July 18th.