Guest Stars Jane Wymark as Joyce Barnaby Barry Jackson as Dr. George Bullard Laura Howard as Cully Barnaby Kirsty Dillon as Gail Stephens Sam Hazeldine as Simon Dixon Alwyne Taylor as Dr. Catherine "Kath" Bullard Stephanie Cole as Dorothy Hutton Sharon Morgan as Delyth Mostyn Gareth Thomas as Huw Mostyn William Thomas as Bryn Williams David Yelland as Dr. James Kirkwood Elizabeth Conboy as Harriet "Hattie" Tydyman Daniel Evans as David Mostyn William Ilkley as Foreman Simon Wilson as Dr. Alan Delaney Jenny Livsey as Megan Mostyn John Lightbody as Jason Slater Nigel Betts as DC Briars Nicholas Pritchard as Justin Pickard Bill Moody as Clifford Rawnsley
