Guest Stars Barry Jackson as Dr. George Bullard Fiona Dolman as Sarah Barnaby Kacey Ainsworth as Nikki Rowntree Lee Boardman as Matt Rowntree Daisy Haggard as Fran Carter Ron Cook as Bernard Flack Sarah Smart as Jo Starling Malcolm Terris as Len Merryman Adrian Rawlins as David Orchard Pam Ferris as Liz Tomlin Andrew Buckley as Malcolm Merryman Edward Clayton as Frank Bertram Jane Thorne as Olive Merryman Lisa Brookes as Dianne Price Melanie Kilburn as Yvonne Flack Thomas Arnold as Sam Tomlin