Guest Stars Zienia Merton as Dr. Helen Billington Christian Rodska as Dr. Bailer Richard Dormer as Rick Tomlinson Minnie Driver as Zena Mitchell Hermione Norris as Abby Larwood Cathryn Bradshaw as Monica Larwood Chris Gascoyne as Cliff Davies Colin Tierney as Michael Letts Gerard Horan as Mal Wilkinson Jill Benedict as Patricia Finlay Gareth Armstrong as Dr. James Carling Anna Niland as Ellen Jones Ben Howells as Liam Finlay Carly Tippens as Rachel Finlay Michael Nicholson as George