Guest Stars Mark McKenna as Anthony Kinsella Hannah Adeogun as Anna Areoye Ryan Lincoln as Isaac "Kem" Kemela Anthony Kinahan as Garda Officer Rachael Dowling as Claire Larkin Conor Mullen as Collie Larkin Aidan Jordan as Father Scriven Bamshad Abedi-Amin as Cenk Batuk Danielle Galligan as Pharmacist Alan Howley as Prison Warden Dylan Brady as Luke Cunningham Uncredited Keith McErlean as Con Doyle