Guest Stars Irina Brook as Helen Gavan O'Herlihy as James MacQuarrie Jenny Agutter as Grizel Elspet Gray as Dorothy McFadyean Michael Gough as Hector John Fortune as Rhoddy Baillie David Langton as Ronald McFadyean Jonathan Burn as Merrison Robert Ellis as Campbell Allan Sharpe as Dr. McKenzie Emil Fortune as Donal MacQuarrie
