Guest Stars Simon O'Gorman as Billy Flanagan Tomás Ó Súilleabháin as Ronan Donaghue Róisín Murphy as Rhiannon Geraghty Garrett Keogh as Martin Geraghty Barbara Adair as Marion Stapleton Milo Sampson as Tommy Flanagan Susannah De Wrixon as Michelle Regan Killian Boland as Jim Mulholland Thomas Fitzgerald as Ruari Regan Kiernan Fitzgerald as Fintan Regan Laurence Foster as Mr. Dolman Paul Ronan as Brian Fay Lizzy Quinn as Nancy O'Brien Liz Byrne as Jenny Fay Elizabeth Bracken as Linda Mackey Denis Cummins as Paddy Stapleton