Creditbr Distributed by Warner Bros. Picturesbr Directed by Todd Phillipsbr Written by br Todd Phillipsbr Scott Silverbr Based on Charactersbr from DC Comicsbr Produced by br Todd Phillipsbr Bradley Cooperbr Emma Tillinger Koskoffbr Walter Hamadabr Starring br Joaquin Phoenixbr Robert De Nirobr Zazie Beetzbr Frances Conroybr Cinematography Lawrence Sherbr Edited by Jeff Grothbr Music by Hildur Guðnadóttirbr Productionbr companies br Warner Bros. Picturesbr Village Roadshow Picturesbr Bron Creativebr Joint Effortbr DC Filmsbr br Copyright Disclaimer"br br Under Section 107 of the Copyright Act 1976, allowance is made for 'fair use' for purposes such as criticism, comment, news reporting, teaching, scholarship, and research. Fair use is a use permitted by copyright statute that might otherwise be infringing. Non-profit, educational or personal use tips the balance in favor of fair use.