Guest Stars Tomás Ó Súilleabháin as Ronan Donaghue Colin O'Donoghue as Conor Elliot Orla O'Rourke as Sinead Kelly Isobel Mahon as Bernie McMahon Ryan Andrews as Ian Smith Róisín Murphy as Rhiannon Geraghty Anne O'Riordan as Aoife Smith Melanie Clark-Pullen as Ann Marie Derek Reid as Jeremy Carter Robert Sheehan as Shane Hunter Dairíne Ní Dhonnchú as Mandy Walsh Amy Shiels as Caroline Donnell Jenny Maher as Vanessa Cohen Helena Bereen as Mary Dunne Emma Harmon as Emma Dunne Declan Walsh as Jack Traynor Tom O'Sullivan as Leo Cohen