Guest Stars Paul Tylak as Glenn Talbot Rosa Willow Lee as Liberty Reid Ciara O'Callaghan as Vivian Mitchell-Tiernan Shane Lynch as Malky Reid Esosa Ighodaro as June Liam Carney as Happy the Shark Dawn Bradfield as Rita Duffy Aidan O'Hare as Eric Murray Eric Higgins as Blue Ronnie Paul Reid as Red Mask Dylan Kelly as Ringo Rogers Seán T. Ó Meallaigh as Gary Whelan Alison Reynolds as Saxophone Player Matt Ryan as Ross Duffy Maghnus Foy as Bradley Gillen