Guest Stars Frankie McCafferty as Barney Nugent Gerard Jordan as Anto Donovan Art Campion as Sully Nabil Elouahabi as Joseph MI5 Aoibhéann McCann as Geraldine Gilroy Francis Morgan McCoey as Ryan Orla Graham as Kirsty James Doran as Michael Eimear Bailie as Chloe Gerard McCabe as Drunk Man Alfie Manser as Weed Customer Paula McFetridge as Ombudswoman Helena Bereen as Valerie Curtis-Lee Ashqar as Barman Annabel Canaven as Andrea Brown Brian Milligan as Fowler Maurice Lee as Chloe's Dad