Adelaide Kane Queen Mary Actor Megan Follows Queen Catherine Actor Torrance Coombs Bash Actor Toby Regbo King Francis Actor Celina Sinden Greer Actor Caitlin Stasey Kenna Actor Anna Popplewell Lola Actor Jonathan Keltz Leith Actor Sean Teale Condé Actor Anna Walton Diane de Poitiers Guest Star Rose Williams Princess Claude Guest Star Craig Parker Lord Stéphane Narcisse Guest Star Rachel Wilson Lady Yvonne Guest Star Andrew Musselman Counting House Man Guest Star Alan Van Sprang King Henry Guest Star Laurie McCarthy Executive Producer Frank Siracusa Executive Producer Larysa Kondracki Director Chelsey Lora Writer