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