Guest Stars Lydia McGuinness as Peggy Mahon Brian McCardie as James Connolly Jordanne Jones as Minnie Mahon Millie Donnelly as Gracie Mahon Steve Wall as Detective Coleman Jaelynne Wallace Ruane as Sadie Mahon Gus McDonagh as Monsignor Mulcahy Niamh Cusack as Nellie Cosgrave Laurence O'Fuarain as Desmond Byrne Barry Keoghan as Cormac McDevitt Michael Feast as Sir Matthew Nathan Jason Cullen as Peter Mahon Marcus Lamb as Patrick Pearse Ryan McAllister as Sylvester the Butler Lalor Roddy as Thomas Clarke Jack Shepherd as General William Lowe Sean Fox as Sean McDermott Jane Herbert as Greta the Maid Stefan Dunbar as Corporal Stewart Sebastian Thommen as Michael Collins Charlie Kelly as Fusilier O'Hanlon James Craze as 'Blimey' O'Connor Barry McGovern as Archbishop William Walsh Keith Patrick Byrne as Barman Edwin Mullane as Brophy the debt collector Patrick Buchanan as Captain Bowen-Colthurst Ian Toner as Lieutenant Mick Mallone Hilary Anne Vesey as Woman at Tenements Manus Halligan as Nottinghamshire Soldier Norma Sheahan as Sister Patrick
