Tony MaudsleyPeter Kilfoyle Steven MackintoshPeter Mandelson Toby JonesDr. Mark Glaser Adrian DunbarDavid Trimble Lucy BoyntonHenrietta Norton Eoin McCarthyMartin McGuinness Terence HarveyMr Campbell-Grey Harry DitsonSen. George Mitchell Stella GonetDr Susi Strang Stephen DonBrendan MacCionnaith Billy ClarkeHarold Gracey Drew ThompsonParamilitary Thug Deborah WisemanCentre Manager Helena BereenElderly Woman Neill VirtueSecurity Guard Neil McKayWriter / Executive Producer Liza MarshallExecutive Producer Jeff PopeExecutive Producer Gillian DevenneyArt Direction Ashleigh JeffersProduction Design Julian CourtDirector Of Photography Lesley NobleMakeup Artist Kristina HetheringtonEditor Nicholas HooperOriginal Music Composer Lisa McAtackneyLine Producer 
