Guest Stars Jane Wymark as Joyce Barnaby Laura Howard as Cully Barnaby Toby Jones as Dan Peterson David Maybrick as Policeman Jonie Broom as Dave Hedges Simon McBurney as Henry Carstairs James Bolam as Superintendent Ronald "Ron" Pringle Diane Fletcher as Marcia Tranter Jane Wood as Cathy Gurdie Jennifer Hilary as Sarah Fitzroy Jeanne Hepple as Linda Wagstaff Janet Dale as Betty Pringle Richard Johnson as James Fitzroy Sarah Winman as Kate Tranter Tom Smith as Billy Gurdie Simon Greiff as Director Shenagh Govan as Matron Peter Bayliss as Tramp Patricia Valentine as Sandra Grant Gillespie as Jack Worthing Fred Ridgeway as Ben Gurdie Eve Pearce as Lady Bracknell Arlene Cockburn as Charlotte Dominic Mafham as Grahame Tranter Frank Mills as Fred Rodale