Guest Stars Barry Jackson as Dr. George Bullard Fiona Dolman as Sarah Barnaby Kacey Ainsworth as Nikki Rowntree Lee Boardman as Matt Rowntree Ron Cook as Bernard Flack Daisy Haggard as Fran Carter Sarah Smart as Jo Starling Adrian Rawlins as David Orchard Malcolm Terris as Len Merryman 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 Pam Ferris as Liz Tomlin