The film stars Glen Powell, Jenna Ortega and Emma Mackey Samuel L. Jackson is in negotiations to star in J.J. Abrams’ forthcoming, untitled Warner Bros. movie, according to an insider with knowledge of the project. The film stars Glen Powell, Jenna Ortega and Emma Mackey. Details about both Jackson’s role and the project in general are being kept under wraps.  Not much is known about Abrams’ new film except that it is not a time travel movie (as had been previously speculated) and that Abrams