Guest Stars Justine Mitchell as Elaine Lynch Carrie Crowley as Mairead Noonan Conor Mullen as Frank Ahern Elijah O'Sullivan as Jacob Dwyer Éanna Hardwicke as Joe Ryan James O'Donoghue as Calum Dwyer Hazel Doupe as Ingrid Jensen Hugh O'Conor as Dr. Kevin Lochlainn O'Mearáin as Rory Dwyer Stuart Graham as Denis Ahern Michael Patric as Sgt. Paudie Manning Thomas Levin as Carl Jensen Huey O'Meara as Young Jacob Noah James Flynn as Young Calum Carolyn Bracken as Sandra Dillon Domhnall Herdman as Biter Cathal Greene as Driver Cian Hughes as Finn Tanja Johannsen Walsh as Danish Radio Presenter
