Brendan Gleeson owns the show, so to speak, but the lad who plays the psychotic oddball was also a stand-out in this film. Engaging,  quirky and quite funny but also tragic,  this film mixes  the elements of comedy, drama and action to come up with a very interesting film.  Acting was commendable and  the scenes were fast-paced, it was engaging from start to end.  Check out this film, folks.