Guest Stars Abby Fitz as Young Lorna Anne Kent as Deirdre Caoimhe Farren as Clemence Helen Roche as Peggy Cillian Lenaghan as Conor Skelly Dominic Anglim as Man in Tunnel Ciara Stell as Young Clemence Michael O'Kelly as Young Father Percy Brian Doherty as Thomas Aoibhínn McGinnity as Young Sister Eileen Ardal O'Hanlon as Dara Brendan McCormack as David Ciaran McMahon as Damian Esther Ayo James as Sister Burke Lauren Kinsella as Brigid