Guest Stars Gemma Jones as Anna Firth Joss Ackland as Albert Annette Crosbie as Katherine Shirley Cain as Lady Emma Brenton Ronald Leigh-Hunt as Frederick St John Frank Finlay as Andrew Firth Richard O'Sullivan as Whiteley Caroline Blakiston as Esther Donna Reading as Petra Calman Alan Rothwell as Fisher Terence Bayler as Stephen Calman Liane Aukin as Margaret Farman Gwen Cherrell as Andrew's secretary Lysandre De La Hay as Veronica Mark Dignam as Anna's father Joan Newell as Jane St John Jennifer Daniel as Jill Anderson Patricia Lawrence as Housekeeper Donald Douglas as Macleod Adam Tandy as Henry John Nettleton as Mr Arnold Noel Coleman as Dr Ernest Farman John Carson as Sir James Brenton John Carson as Ellis Anderson Uncredited Michael Brennan as Aggressive Man
