Adelaide Kane Queen Mary Actor Megan Follows Queen Catherine Actor Torrance Coombs Bash Actor Toby Regbo Prince Francis Actor Jenessa Grant Aylee Actor Celina Sinden Greer Actor Caitlin Stasey Kenna Actor Anna Popplewell Lola Actor Alan Van Sprang King Henry Actor Kathryn Prescott Penelope Guest Star Jonathan Keltz Leith Bayard Guest Star Rossif Sutherland Nostradamus Guest Star Matt Baram Marquis Duveaux Guest Star Giacomo Gianniotti Lord Julien Varga Guest Star Yael Grobglas Olivia D'Amencourt Guest Star Michael Therriault Lord Aloysius Castleroy Guest Star Laurie McCarthy Executive Producer Frank Siracusa Executive Producer Jeff Renfroe Director Drew Lindo Writer Wendy Riss Writer