Guest Stars Imogen Boorman as Nikki Wyatt Jesse Birdsall as Mike Susan Brown as Julie Anne Reid as Barbara Michael N. Harbour as Bob Peter Wight as Trevor Eleanor Summerfield as Dorothy Isabelle Amyes as Mrs. Partington Roger Alborough as Detective Constable Ian Targett as Strange Doctor John Normington as George Angela Newmarch as Receptionist Catherine Terry as Miss Cassidy Frances Viner as Anne Jade Nanton as Policewoman James Aubrey as Hugo Oliver Pearce Owen as Danny Sally Noden as Rachel