Guest Stars Rachel O'Byrne as Stacey Lockley Jade Jordan as Debbie Gleeson Patrick Martins as Luke Byrne DS Mark Huberman as Diarmuid O'Kelly Caoimhe O'Malley as Orla Quinn Barbara Dempsey as Isobel Quigley Aoibhéann McCann as Hazel Quinn Clare Monnelly as Sinead Lunny Jamie O'Neill as James Orman Kwaku Fortune as Michael Dunne Georgina McKevitt as Maedbh Reilly Ste Murray as Rory O'Hara Shruti Shandilya as Nurse