Adelaide Kane Queen Mary Actor Megan Follows Queen Catherine Actor Rachel Skarsten Queen Elizabeth Actor Torrance Coombs Bash Actor Toby Regbo King Francis Actor Celina Sinden Greer Actor Anna Popplewell Lola Actor Jonathan Keltz Leith Actor Craig Parker Narcisse Actor Rose Williams Princess Claude Actor Charlie Carrick Robert Dudley Actor Ben Geurens Gideon Blackburn Actor Mark Ghanimé Prince Don Carlos Guest Star Alexandra Ordolis Delphine Guest Star Nathaniel Middleton Christophe Guest Star Blair Williams Cardinal Morel Guest Star Laurie McCarthy Executive Producer Frank Siracusa Executive Producer Anne Wheeler Director Bo Yeon Kim Writer Erika Lippoldt Writer