Guest Stars Pippa Haywood as Scarlett Garretson Patrick Bergin as Niall Walsh Conor Lambert as Padraig McEwan Chris Reilly as William Stroud Colin Mace as Terry Garretson Elena Shaddow as Kathryn O'Brien Brady Hepner as James O'Brien Co Starring Eric James Gravolin as Kyle Cartwright Stefan Trout as Ernesto Saunders Sarah Junillon as Claire Armbruster Mario Vrbanec as Brennan O'Doherty László Solti as Father Ian Crowley Eoin Sweeney as Young Activist Olivér Simor as Bartender Tommy Marta Breen as Myra Boyle Kiran Landa as Inspector Margaret Mullins Matt Sutton as Alec O'Brien Cian Barry as Sullivan Archer