Guest Stars Tony Lucken as Uniformed Officer Mark Bonnar as DC Ed Harvey James D'Arcy as Guy Thompson Honeysuckle Weeks as Tania Thompson Joel Dommett as Josh Tyler Michael Feast as Asst. Commissioner Evans Glynis Brooks as Marion Stein Ken Bradshaw as Technician David Earl as George Lorraine Stanley as Maggie Eleanor Gecks as Kelly Stevens Rachel Bavidge as Doctor Tim Wallers as Derek Tripp Vincent Brimble as Tania's Father Janet Spencer-Turner as Tania's Mother Robin Kermode as Tony Stevens Nicholas Gecks as Mike Thompson Kate Miles as Kate Myers Guy Williams as John Folkard Barbara Wilshere as Anna Stevens Kit Jackson as Patrick Middleton