On Thursday, Ryan Kiera Armstrong's addition to the cast of the upcoming "Buffy the Vampire Slayer" reboot was announced. A tearful Armstrong let out an emotional "yes" to Sarah Michelle Gellar's offer to join the production.

Actor Ryan Kiera Armstrong has just been cast in the lead role alongside Sarah Michelle Gellar in the pilot for Hulu's reboot of the wildly popular late '90s television series Buffy The Vampire Slayer.

Ryan Kiera Armstrong has staked the role of the new slayer in town in the upcoming "Buffy the Vampire Slayer" revival. The 15-year-old actor will co-star with original series lead Sarah Michelle Gellar. The two actors shared the news May 15 in a joint Instagram post featuring a video that showed Gellar breaking the casting news to Armstrong.