Guest Stars Robbie McIntosh as Magnus Claire Sermonne as Louise de Rohan Adrienne-Marie Zitt as Suzette Michèle Belgrand-Hodgson as Madame Elise Laurence Dobiesz as Alex Randall Lionel Lingelser as King Louis XV Marc Duret as Duverney Marième Diouf as Delphine Margaux Chatelier as Annalise de Marillac Marcello Walton as Nobleman #3 Kola Krauze as Minister of the House Katharine Gwen as Noblewoman #2 John-Christian Bateman as Advisor Natalie Spence as Second "Wife" Amy Drummond as Third "Wife" Sarah MacGillivray as First "Wife" Robbie Telfer as Groomer Anna Marie Cseh as Noblewoman #1 John Mawson as Nobleman #2 Uncredited Kimberley Smart as The King's Mistress