Ava DuVernay’s adaptation of Madeleine L’Engle’s timeless classic, A Wrinkle In Time, is coming along. Casting is currently underway, and the first marquee name to be announced is a frequent supporter/collaborator of DuVernay’s. Per Deadline

Disney and Selma director Ava DuVernay are setting Oprah Winfrey to star in A Wrinkle In Time, an adaptation of the 1963 Newbery Medal-winning Madeleine L’Engle fantasy classic novel that has a script by Oscar-winning Frozen writer and co-director Jennifer Lee. Winfrey will play the role of Mrs. Which. The studio is moving quickly to cast the film, with actors including Amy Adams and Kevin Hart chief among those circling. Winfrey is in final negotiations. She starred for DuVernay in Selma and played a role behind the scenes in helping to make the movie happen. Winfrey and DuVernay also co-created and are exec producing the upcoming OWN series Queen Sugar.

A Wrinkle In Time is slated to hit theaters in Summer 2017.