Guest Stars Ryan Philpott as Matthew Thyme Michael Bertenshaw as Keith Parsons Michael Carter as Professor Reeves Catherine Bailey as Chantal Parsons Jill Baker as Val Reeves Lloyd McGuire as Mike Garner Frances Cuka as Mrs. Boxer Julian Wadham as Lord Engleton John McGlynn as Dr. Richard Earle Cherith Mellor as Jane Parsons Liz Kettle as Mrs. Webb Peter Moreton as D.I. Derek Mills