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