Introducing the New and Returning Cast of The Maze Runner Sequel

Dylan O'Brien has signed on to reprise his role of Thomas, the lead in the film.

Kaya Scodelario will be back for the second movie as Teresa.

The Conjuring's Lili Taylor has joined the sequel as Mary Cooper, a doctor who helps Thomas.

Thomas Brodie-Sangster will return as Newt.

Patricia Clarkson will have a larger role in this film as Ava Paige.

Giancarlo Esposito is another new addition to the cast. He'll be playing Jorge, the leader of the Cranks.

Game of Thrones's Aiden Gillan joined the movie as Janson, aka Rat-Man, the villain.

A second Game of Thrones actor, Nathalie Emmanuel, also joined the film as Harriet, a leader of a group of girls who were also trapped in a maze.

Parenthood's Rosa Salazar will play Brenda, the leader of another group of teens who becomes a love interest for Thomas.

Dexter Darden has signed on for the sequel to play his role of Frypan.

Mud actor Jacob Lofland will star as Aris, a young boy with a mysterious connection to the maze.

Ki Hong Lee will be back as Glader Minho.

Alexander Flores will be back for the sequel to reprise his role of Winston.

Terry Dale Parks (When the Game Stands Tall) is set to play Carl.