Guest Stars Jack Reynor as Declan Miranda Richardson as Jane Lucy Boynton as Paula Kit Harington as Michael Seána Kerslake as Garda Molloy Eddie Jackson as Crazy Smiling Guy David Michael Scott as Coldplay Fan Rynagh O'Grady as Cat Lady Emma Doran as Cleaner John Byrne as Paddy Neachtain Cathy Costello as Gorgeous Girl Peter McGann as Funny Guy Maebh Murphy as Eco Warrior