Guest Stars Jane Wymark as Joyce Barnaby Barry Jackson as Dr. George Bullard Laura Howard as Cully Barnaby Alwyne Taylor as Dr. Catherine "Kath" Bullard Roger Allam as Alan Hollingsworth Michele Dotrice as Felicity Buckley Sophie Stanton as Brenda Buckley Mark Bazeley as Gray Patterson Rosalind Ayres as Doreen Anderson Eleanor Summerfield as Elfrida Molfrey Tessa Peake-Jones as Sarah Lawton Lesley Vickerage as Simone Hollingsworth Peter Jones as Bunny Dawlish Paul Brooke as Nigel Anderson Paul Chapman as Reg Buckley Andrew Powell as Vince Perry David Daker as Harry Vellacott Tom Mullion as Freddy Ann Queensberry as Hermione Neville Phillips as Richard