What's it like to work with Mark Pellegrino?

this should give you some answers...

That's Mark reading "Killing Rage", by Eamon Collins, who was an IRA intelligence officer who ended up repenting and renouncing the IRA.  This book served as a valuable psychological reference for all of us while making the film.

Tragically, Eamon was  killed in Newry after publishing his book, but his testament lives on...