'Game of Thrones'
A picture of a White Walker from HBO TV series "Game of Thrones." Facebook/ Game of Thrones

The casting for the first approved “Game of Thrones” spin-off has reportedly begun. The producers are looking for a diverse cast, and casting calls have been posted on British and Norwegian agency websites.

According to a report by WatchersontheWall, the casting advertisements reveal minor details about the kinds of roles that the producers are looking to cast at the moment. There are many roles to be cast that have been advertised, but specific information is publicly available for only four roles, and even this is very vague.

The first role is for a black woman aged between 24 and 32, and the role is code named “S.” Second is for a mixed race man between 17 and 22, code named “A.” The third is for a white woman aged between 17 and 25, code named “I.” The last role is for 16 to 23 year old black woman, code named “F.”

The casting announcement doesn’t name “Game of Thrones” directly, but there are a few hints about this casting that reveals what it is for. First, the casting is for a “confidential untitled HBO project.” Then there is the involvement of Lucinda Syson, who has worked closely with Jane Goldman in movies like “Kick-Ass” and “X-Men: First Class.”

There are four scripts that are currently being developed at HBO as “Game of Thrones” spin-offs. Only Goldman’s script has been given the green light at the moment. With the casting underway, the principal photography will begin in February 2019.

The first “Game of Thrones” spin-off is set towards the end of Age of Heroes, leading to the Long Night. The story is thousands of years before the current war for the Iron Throne, and it will explore the origins of the White Walkers and the legends of the Starks.

Only a pilot episode has been ordered as of this writing, but more episodes are expected to be ordered later.