Guest Stars Simon O'Gorman as Billy Flanagan Tomás Ó Súilleabháin as Ronan Donaghue Róisín Murphy as Rhiannon Geraghty Emmet Bergin as Frederick Delaney Milo Sampson as Tommy Flanagan Susannah De Wrixon as Michelle Regan Thomas Fitzgerald as Ruari Regan Kiernan Fitzgerald as Fintan Regan Sharon Mannion as Young Mother Anthony Brophy as Simon Andrews Ruth Sheeran as Agency Nurse Dermod Lynskey as Mr. McNamara Fiona Browne as Temp Receptionist Glynis Casson as Mrs. McNulty Ann Maria Horan as Creche Manager