The teaser shows the series happening 200 years before the events of Game of Thrones, circling around the Targaryen House.
BAFTA-winning writer and director Stefan Golaszewski will be helming the show for BBC One.
The event, which is being organised to celebrate the upcoming "House of the Dragon", a prequel series to the Emmy-winning epic series, will run from February 18-20, 2022.
Anderson will play Louis, a young man who is seduced into the world of the undead by the amoral vampire Lestat, played by Sam Reid.
Harington rose to global stardom with his role as Jon Snow, a brooding warrior and one of the pivotal characters, in the HBO epic fantasy show that ended in May 2019 after eight seasons.
In February, this year, Kit welcomed his first child, a son with his wife Rose Leslie, who also starred with him in the popular HBO series 'Game of Thrones.'
The 34-year-old actor said the "nature" of the violent, intense, emotional series "directly" broke him down in reality.
The production on Game of Thrones prequel, House of the Dragon has been paused for two days following a COVID-19 positive case.
The surge has also led to the cancellation of actor-director Kenneth Branagh's UK theater production, a revival of "The Browning Version" by Terence Rattigan.
A comprehensive list of all the notable, groundbreaking nominations for the 73rd Emmy Awards.
It is loosely based on the true adventures of Stede Bonnet (Darby), a pampered aristocrat who abandoned his life of privilege to become a pirate.
Turner will play Margaret Ratliff, one of Peterson's adopted daughters who is convinced of his innocence, in the series, reported Deadline.
Segel’s filmography includes TV shows like The Good Wife, The Mist, Person of Interest, and Helstrom. She is also attached to the TV adaptation of Ubisoft’s video game, Skull and Bones.
The 27-year-old actor, who recently appeared alongside Game of Thrones star Emilia Clarke in romantic comedy movie Last Christmas, will play Ser Criston Cole.
The 'Game of Thrones' spotlight page on the streamer will feature a broad introduction to the world and characters for new viewers, as well as spoiler-laden curations featuring Easter eggs for die-har