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 Amy Shiels as Caroline Donnell Tom O'Sullivan as Leo Cohen Declan Walsh as Jack Traynor Emma Harmon as Emma Dunne Helena Bereen as Mary Dunne Jenny Maher as Vanessa Cohen Dairíne Ní Dhonnchú as Mandy Walsh