Guest Stars Siobhán Cullen as Morgan Aoibhínn McGinnity as Crystal Sean McGinley as Terry Jane Brennan as Gemma Jonny Holden as Callum Amelie Metcalfe as Mary Ciarán McMenamin as McGlynn Marty Maguire as Builder Olivia Feron as Madeline Skye McClenaghan as Orla Dylan Breen as David Julia Dearden as Dolores Joanne Crawford as Callum's Doctor Patrick Fitzsymons as Judge Aaron Lynch as Attacked Boy Derbhle Crotty as Superintendent Michael Yare as Solicitor Chrissie Harris as Christmas Reveler