Guest Stars Lydia McGuinness as Peggy Mahon Brian McCardie as James Connolly Steve Wall as Detective Coleman Millie Donnelly as Gracie Mahon Jaelynne Wallace Ruane as Sadie Mahon Gus McDonagh as Monsignor Mulcahy Jordanne Jones as Minnie Mahon Barry Keoghan as Cormac McDevitt Michael Feast as Sir Matthew Nathan Marcus Lamb as Patrick Pearse Laurence O'Fuarain as Desmond Byrne Joanne Brennan as Dr. Kathleen Lynn Jason Cullen as Peter Mahon Ruairí Heading as Fusilier McGarry Jack Shepherd as General William Lowe Kieran O'Reilly as Captain Robert Barton Jane Herbert as Greta the Maid Stefan Dunbar as Corporal Stewart Ann Skelly as Biddy Lambert Charlie Kelly as Fusilier O'Hanlon John Connors as Michael Molloy Charlie Bonner as William Wylie Adrian Hudson as Lofty Lloyd Barry Barnes as Constable James O'Brien Graham Dodd as Van Driver Rory Corcoran as Dying Man Paul Kealyn as ICA Man Jack Hickey as Sean Connolly Faolan Morgan as Tall Fusilier Eemeli Louhimies as Milo Dylan Kelly as ICA Man 2 Fintan Phelan as Driver Terry O'Neill as Looting Man Emer O'Grady as Housewife Stephen O'Brien as Volunteer
