Guest Stars Simon O'Gorman as Billy Flanagan Mark Huberman as Kieran Miller Marian Araujo as Marta Lopez Niall Toibin as Dr. Paul O'Callaghan Stuart Graham as Dr. Richard McKenna Olga Wehrly as Molly Miller Barbara Adair as Marion Stapleton Charlie Kranz as Dominic Shaw Gary Murphy as Dr. Denny Veronica O'Reilly as Veronica Jacqueline Fitzpatrick as Eva Gogan Fionnuala Murphy as Irate Patient Tony McKenna as Declan Moore Daniel Costello as Mr. Kenny John Burke as Mr. Kittridge