Guest Stars Anthony Calf as Deputy Assistant Commissioner Robert Strickland Susan Jameson as Esther Lane Carolyn Allen as Carole Paula Jennings as Paula Standing David Troughton as Ricky Hanson Hannah Waterman as Emily Driscoll Karl Johnson as Gary Kendal Kevin Whately as Andrew Simson Joe Absolom as Luke Hanson Emily Corrie as Lysette Perry Felicity Dean as Rosanne Midgley Martin Hutson as Nigel Midgley Michael Thomas as Victor Pritchard