Guest Stars Blake Johnston-Miller as Jemmy MacKenzie Izzy Meikle-Small as Rachel Hunter Diarmaid Murtagh as William "Buck" MacKenzie Rosa Morris as Mandy 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 Gloria Obianyo as Mercy Woodcock Ciaron Kelly as Ernie Buchan Jonathan Kerrigan as Reverend Peleg Woodsworth Lucinda Dryzek as Sissy Bartram Nicholas Ralph as Jerry MacKenzie Aaron Connell as Shepherd Boy Hannah Jarrett-Scott as Constable Laughlin David McGowan as Constable Kinley
