Guest Stars Jane Wymark as Joyce Barnaby Barry Jackson as Dr. George Bullard Laura Howard as Cully Barnaby Amanda Root as Ruth Scholey Ian Peck as James Tapsell Jeff Rawle as Derrick Seagrove Richard Durden as Duncan Goff Honor Blackman as Isobel Hewitt Philip Franks as Quentin Roka Susan Wooldridge as Margaret Seagrove Suzanne Burden as Rebecca Plunkett Will Knightley as Andrew Turner Alison Rose as Angela Goff Eileen Page as Beatrice John Warnaby as Keith Scholey June Barrie as Gwen Dobson Robert Putt as Oyster Man Roger Swaine as Customer Malcolm Raeburn as Steve Jane Downs as Dixie Goff Sidney Livingstone as Barman / Landlord Jonathan Cullen as Melrose Plunkett Peter Cellier as Peregrine Slade James Hazeldine as Leo Bantock