Guest Stars Dylan Lee Heath as Tomás Sweeney Aoibhínn McGinnity as Josephine Carmichael Enda Oates as Benjamin Barrett Helen Norton as Bridget Boyle Frankie McCafferty as Father Gabriel Leonard John Cronin as Seán T. O'Kelly Andrew Bennett as Arthur Griffith Dale Leadon-Bolger as Auxillary Officer Emma Willis as Mary Duggan Keith Dunphy as Liam O'Faolain Fiach Kunz as Soldier Joey Hand as Tadgh Tiernan George Cummins as Squad Man