The Devil You Know

Synopsis

Alf poses as a criminal as part of an undercover operation, but his covert actions only reveal startling information about Miller's ethical beliefs. David eyes up Peggy's room when she applies to be Lord Ashfordly's housekeeper but both are left disappointed when the interview is a complete failure.

Guest stars

Sophie Ward

Dr. Helen Trent

Peter Benson

Bernie Scripps

Steven Blakeley

PC Geoff Younger

Rupert Vansittart

Lord Ashfordly

Elizabeth Bennett

Joyce Jowett

Daphne Oxenford

Enid Bakewell