Guest Stars Olwen Fouéré as The Mother Lara Peake as Fern Cat Simmons as Garwyn Stuart Laing as Doctor Rebecka Johnston as Holystander #1 Johnny O'Dowd as McCoy Eddie Karanja as Boy Timea Udvari-Kardos as Homesteader Woman Istvan Szacsvai as Homesteader Man Aruzhan Ilaikova as Young Acolyte