Guest Stars Ted Levine as Julien Mayfair Mariana Novak as Polina Vilkov Ian Pirie as Ian Mayfair Callan McAuliffe as Abel Mayfair Franka Potente as Annamieke Co Starring Cameron Fulton as Hamish Mayfair Nick Dunning as Father Callum Derbhle Crotty as Amintha Mayfair Henessi Schmidt as Emaleth Isabelle Connolly as Rose Mayfair Martha Malone as Bonnie Mayfair Eva Bartley as Aunt Sheena Fiona Breen as Aunt Osla Honi Cooke as Fiona Mayfair Keith Fleming as Kilbride Constable Carla Foley as Agnes Aidan McCann as Ashlar Maria Guiver as Queen Sean Richmond as Handler Stephen Mullan as Laird Emma Dargan-Reid as Catherine Amy Kellet as Mayfair Woman