Guest Stars Simon O'Gorman as Billy Flanagan Colin O'Donoghue as Conor Elliot Orla O'Rourke as Sinead Kelly Isobel Mahon as Bernie McMahon Garrett Keogh as Martin Geraghty Jane McGrath as Gillian Ryan Deirdre Donnelly as Carol O'Dwyer Clive Geraghty as Mark Byrne Pat Laffan as Jimmy O'Driscoll Britta Smith as Deborah Clarke Ailish Symons as Nicola O'Dwyer Damien Devaney as Alistair Carey Laura Reynolds as Jane Slavin Ann Brophy as Janet Birdy