Brendan GleesonSergeant Gerry Boyle Don CheadleFBI agent Wendell Everett Liam CunninghamFrancis Sheehy Katarina ČasGabriela McBride Rory KeenanGarda Aidan McBride Laurence KinlanPhotographer Dominique McElligottAoife O'Carroll Sarah GreeneSinead Mulligan Fionnula FlanaganEileen Boyle Gary LydonGarda Inspector Gerry Stanton Mícheál Óg LaneEugene Moloney Mark O'HalloranGarda No. 1 Laura HitchingsFemale Garda Pat ShorttColum Hennessey John Michael McDonaghDirector / Writer Flora Fernandez MarengoProducer Martin McDonaghExecutive Producer Lucy van LonkhuyzenArt Direction John Paul KellyProduction Design Larry SmithDirector Of Photography John GambleSecond Unit Director Of Photography Morna FergusonMakeup Department Head Ciara McArdleCostume Supervisor Eimer Ní MhaoldomhnaighCostume Design Kathleen WeirScript Supervisor Robert FlanaganProduction Sound Mixer John ConvertinoOriginal Music Composer Joey BurnsOriginal Music Composer CalexicoOriginal Music Composer 
