Maisie Williams joins 'X-Men' spin-off 'New Mutants'

A 'girl with no name' is all set to become a 'mutant'.

According to The Hollywood Reporter, Fox's highly anticipated 'X-Men' spinoff 'New Mutants' is finally casting up and 'Game of Thrones' star Maisie Williams has signed up to star in the ensemble young adult superhero movie being directed by Josh Boone.

Anya Taylor-Joy, the star of 'The Witch' and 'Split,' has also joined the project.

The story of the movie will focus on the adventures of a diverse group of teens that include Native American Danielle Moonstar, Scots girl Wolfsbane, Brazilian ladies man Sunspot, a Kentuckian code-named Cannonball and Russian teen Magik.

The movie is headed towards an early July start with a script by Boone and his writing partner, Knate Lee. Simon Kinberg and Karen Rosenfelt are producing.

'New Mutants,' created by Chris Claremont and Bob McLeod, was the first X-Men comic spinoff, launched in the early 1980s as the franchise began two decades of dominating the comic book industry.

Williams will play Wolfsbane, a girl struggling to reconcile her religious beliefs with her power to turn into a wolf.

Taylor-Joy will play Magik, a girl who has learned sorcery and uses teleportation discs to travel. She is also the sister of Colossus, an X-Man who appeared in 'Deadpool.