based on the screenplay by Lawrence Kasdan & J.J. Abrams and Michael Arndt. "Based on the screenplay by Lawrence Kasdan & J.J. Abrams and Michael Arndt." screenplay written by Lawrence Kasdan & J.J. Abrams and Michael D. Arndt based on the screenplay by Dan Harmon & Rob Schrab and Pamela Pettler based on the screenplay by Jonathan Kasdan & Laurence Kasdan. based on the screenplay by Jonathan Kasdan & Lawrence Kasdan based on the screenplay by Ehren Kruger & Alex Kurtzman & Roberto Orci. based on the screenplay by Steven Moffat and Edgar Wright and Joe Cornish based on the screenplay written by Paul King and Simon Farnaby based on the screenplay by Chris Morgan and Hossein Amini.