EXCLUSIVE: Scott Cooper is ready to direct As soon as Upon A Time…In Hollywood‘s Margaret Qualley within the psychological horror A Head Stuffed with Ghosts. The movie is backed by Cross Creek, Staff Downey, and The Allegiance Theater. Cross Creek is financing, with CAA Media Finance representing U.S. rights and Mad River IMR launching worldwide gross sales in Berlin.

Pic is an adaptation of the Paul Tremblay horror novel and Cooper is revising the present draft. When 8-year-old Merry’s older sister displays indicators of an indeterminate and terrifying affliction, the Barrett household slowly tears itself aside. Now, twenty years later, Merry is confronted together with her household’s traumatic previous when Rachel, a journalist with a equally haunted previous, delves into the case, inflicting Merry to relive and rethink the devastating reminiscences of her childhood.

Qualley can also be coming off Fosse/Verdon and The Leftovers. Cooper most lately directed the Keri Russell-Jessie Plemons-starrer Antlers, which Searchlight releases April 17.

Pic is produced by Daniel Dubiecki and Lara Alameddine of the Allegiance Theater, Susan Downey of Staff Downey, Tyler Thompson of Cross Creek, Scott Cooper, and David Gambino.

Robert Downey Jr is exec producing.

A Head Stuffed with Ghosts is the second collaboration for Cooper & Cross Creek, after the Johnny Depp-starrer Black Mass for Warner Bros. Cross Creek’s different forays within the psychological thriller house embody Black Swan and Lady in Black.

Cross Creek and Cooper are repped by CAA; Allegiance Theater is Jon Levin and Daniel Passman, Gang, Tyre, Ramer, Brown & Passman; Staff Downey is WME, Hansen, Jacobson; Qualley is UTA, Administration 360 and Sloane, Provide.