Guest Stars Jonathan Watton as Dr. Darcy Garland Ephraim Ellis as Patrick 'Paddy' Glenn Scott Wentworth as Dr. Lucas Harwick Holly Deveaux as Arlene Dennet Kyle Mac as Daniel Irvin Hannah Endicott-Douglas as Dorothy Cornell Brittany Bristow as Laura MacFarlane Leah Pinsent as Mrs. Irvin Vivien Endicott-Douglas as Olivia Cornell Sarah Gray as Amy Goldham