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 Rose Williams Princess Claude Actor Charlie Carrick Robert Dudley Actor Craig Parker Narcisse Actor Ben Geurens Gideon Blackburn Actor Alexandra Ordolis Delphine Guest Star Clara Pasieka Lady Amy Dudley Guest Star Tom Everett Scott Lord William Guest Star Spencer MacPherson Charles Guest Star Laurie McCarthy Executive Producer, Writer Frank Siracusa Executive Producer Holly Dale Director