Guest Stars Jane Wymark as Joyce Barnaby Barry Jackson as Dr. George Bullard Laura Howard as Cully Barnaby Alex Belcourt as WPC Donald Sumpter as Tim Settingfield Stella Gonet as Grace Maplin Emma Buckley as Jezebel Tripp Margot Leicester as Kay Settingfield Caroline Lintott as Travel Agent Mark Umbers as Neville Williams Rachel Bell as Mrs. Hunnicutt Tom Mannion as Sam Callaghan Victoria Wicks as Helen Callaghan Damien Lyne as David Lowry Robert Whitelock as John Denton Susan Engel as Camilla Crofton Michael N. Harbour as Harry Poulson