: Mary's second husband. Their marriage is far from blissful, plagued by Darnley's violent nature and his secret alliances with Elizabeth and the Vatican.
: A "warm-hearted bad boy" and loyalist who eventually wins Mary's heart, though their connection leads to further political controversy. Reign - Season 4
: For the first time, the two queens actively attempt to assassinate each other. : Mary's second husband
While Mary is away, Catherine de' Medici (Megan Follows) struggles to maintain control in France. Season 4 – Reign - Rotten Tomatoes Reign - Season 4
