Guest Stars Derbhle Crotty as Barbara Abrahams Stuart Dunne as Chris Wallace Adam John Richardson as Tommy Stephens Fionnuala Murphy as Frances Reynolds Paul Ward as Billy Miller Carolyn Donnelly as Sinead Clarke Sheila Flitton as Betty Walsh Kiera Crawford as Rachael Burkely Nick Devlin as Doctor Taite Shane G. Casey as Assistant Commissioner Clare Donovan as Nurse Len Nealon as Garda Lara Way as Garda Sharon Hart Barry Gaskin as Detective Aidan O'Sullivan as Detective Susan Noonan as Mrs. Gill