Guest Stars Diane Fletcher as Elizabeth Urquhart Colin Jeavons as Tim Stamper Kenneth Gilbert as Harold Earle William Chubb as John Krajewski Christopher Owen as McKenzie Alphonsia Emmanuel as Penny Guy Damien Thomas as Michael Samuels Miles Anderson as Roger O'Neill Malcolm Tierney as Patrick Woolton Tommy Boyle as Stephen Kendrick Vivienne Ritchie as Stephanie Woolton Kenneth Hadley as Chauffeur Eric Allan as Adrian Shepherd Robin Wentworth as Sir Humphrey Newlands Janis Winters as McKenzie's Assistant