Toni Collette to star opposite Bradley Cooper in Guillermo del Toro' s “Nightmare Alley"

Sources tell Collider that Toni Collette will play the female lead opposite Bradley Cooper. She'll be joined by Richard Jenkins, as well as Ron Perlman. Meanwhile, Willem Dafoe is also in line to co-star, as is Mark Povinelli

Cate Blanchett and Rooney Mara are also being eyed for key supporting roles

The film will be based on the William Lindsay Gresham novel of the same name.