Justice League is a 2017 American superhero film based on the DC Comics superhero team of the same name, distributed by Warner Bros. Pictures. It is the fifth installment in the DC Extended Universe (DCEU). The film is directed by Zack Snyder, with a screenplay by Chris Terrio and Joss Whedon, from a story by Terrio and Snyder, and features an ensemble cast that includes Ben Affleck, Henry Cavill, Amy Adams, Gal Gadot, Ezra Miller, Jason Momoa, Ray Fisher, Jeremy Irons, Diane Lane, Connie Nielsen, and J. K. Simmons. In Justice League, the superhero team, consisting of Batman, Wonder Woman, Flash, Aquaman, and Cyborg forms to honor the memory of Superman and to save earth from the catastrophic threat of Steppenwolf and his army of Parademons.