Guest Stars Blake Johnston-Miller as Jemmy MacKenzie Izzy Meikle-Small as Rachel Hunter Rosa Morris as Mandy MacKenzie Diarmaid Murtagh as William "Buck" MacKenzie Joey Phillips as Dr. Denzell Hunter Iona Claire as Fiona Graham Chris Fulton as Rob Cameron Sutara Gayle as Mrs. Figg Harry Jarvis as Henry Grey Ciaron Kelly as Ernie Buchan Gloria Obianyo as Mercy Woodcock Jonathan Kerrigan as Reverend Peleg Woodsworth Lucinda Dryzek as Sissy Bartram Hannah Jarrett-Scott as Constable Laughlin Aaron Connell as Shepherd Boy Nicholas Ralph as Jerry MacKenzie David McGowan as Constable Kinley
