Guest Stars Geoffrey Palmer as Chief Supt Julian Glover as Wixon Anna Calder-Marshall as Doreen David Burke as Michael Regan Charles Gray as Oxlade Joan Benham as Margery Frankiss Noël Johnson as Asst Chief-Con Michael Golden as Pokey Allen Anthony Woodruff as Solicitor Peter Howell as Gerard Frankiss Arthur Lovegrove as Bill Withey George Belbin as Henry Malyon Brenda Kaye as Mrs Oxlade Leo McCabe as Father MacNally David Spenser as Derek Patterson Robin Wentworth as PC Willis