Guest Stars Dylan Lee Heath as Tomás Sweeney Aoibhínn McGinnity as Josephine Carmichael Enda Oates as Benjamin Barrett Shane Fallon as Guard at Security Barbara Bergin as Mrs. Lyons Helen Norton as Bridget Boyle Jaelynne Wallace Ruane as Sadie Mahon Aidan Lawlor as Dennis Thornton Lilymai Clancy as Gracie Mahon Joanne Crawford as Sr. Benedict John Cronin as Seán T. O'Kelly Andrew Bennett as Arthur Griffith Dawn Bradfield as Nora Mahon Paul Meade as Justice Prendergast Aidan O'Hare as RIC Officer
