: Laurie McCarthy , Stephanie Sengupta , Brad Silberling, and Frank Siracusa.
: Joyful Girl Productions, CBS Television Studios , Warner Bros. Television, and Whizbang Films. Reign - Season 1
: Primarily filmed in Toronto, Ontario , with key exterior and pilot scenes shot in Ireland (notably Ashford Castle). Main Cast Adelaide Kane Mary Stuart, Queen of Scots Toby Regbo Prince (Dauphin) Francis Torrance Coombs Sebastian "Bash" de Poitiers (Francis's half-brother) Megan Follows Queen Catherine de' Medici Alan van Sprang King Henry II of France Anna Popplewell Caitlin Stasey Lady Kenna Celina Sinden Lady Greer Jenessa Grant Lady Aylee Rossif Sutherland Nostradamus Season Synopsis : Laurie McCarthy , Stephanie Sengupta , Brad
The first season of originally aired on The CW from October 17, 2013, to May 15, 2014 . It consists of 22 episodes and follows the early years of Mary, Queen of Scots , as she arrives in the French court to secure an alliance through her betrothal to Prince Francis. Production Credits : Primarily filmed in Toronto, Ontario , with
