Guest Stars Fiona Dolman as Sarah Barnaby Tamzin Malleson as Dr. Kate Wilding Andrea Lowe as Ava Gould Vincent Regan as Professor Philip Hamilton Ben Bailey Smith as Zach Lime Rebecca Front as Rev. Martha Hillcott Patricia Brake as Stella Spencer Gerard Horan as Ewan Evans Paul Copley as Frank Dewar Michael Jayston as Rev. Arthur Gould William Beck as Michael Dewar Roy Hudd as Victor Spencer Billy Postlethwaite as Noah Evans Sarah Lochlan as Nancy Dewar
