<P> The following month, roughly 40 actors and actresses auditioned for the ensemble superhero roles, among them Joseph Cross, Michael Angarano, Max Thieriot, Minka Kelly, Adrianne Palicki and Scott Porter . Miller had intended to cast younger actors, as he wanted them to "grow" into their roles over the course of several films . D.J. Cotrona was cast as Superman, along with Armie Hammer as Batman . Jessica Biel reportedly declined to play Wonder Woman role after negotiations . The character was also linked to actresses Teresa Palmer and Shannyn Sossamon, along with Mary Elizabeth Winstead, who confirmed that she had auditioned . Ultimately, Megan Gale was cast as Wonder Woman, while Palmer was cast as Talia al Ghul, whom Miller had in mind to act with a Russian accent . The script for Justice League: Mortal would have featured John Stewart as Green Lantern, a role originally offered to Columbus Short . Hip hop recording artist and rapper Common was cast, with Adam Brody as Barry Allen / Flash, and Jay Baruchel as the lead villain, Maxwell Lord . Longtime Miller collaborator Hugh Keays - Byrne had been cast in an unnamed role, rumored to be Martian Manhunter . Santiago Cabrera was eventually revealed to be Aquaman after the film was cancelled . Marit Allen was hired as the original costume designer before her untimely death in November 2007, and the responsibilities were assumed by Weta Workshop . </P> <P> However, the writers strike began that same month and placed the film on hold . Warner Bros. had to let the options lapse for the cast, but development was fast tracked once more in February 2008 when the strike ended . Warner Bros. and Miller wanted to start filming immediately, but production was pushed back three months . Originally, the majority of Justice League: Mortal was to be shot at Fox Studios Australia in Sydney, with other locations scouted nearby at local colleges, and Sydney Heads doubling for Happy Harbor . The Australian Film Commission had a say with casting choices, giving way for George Miller to cast Gale, Palmer and Keays - Bryne, all Australian natives . The production crew was composed entirely of Australians, but the Australian government denied Warner Bros. a 40 percent tax rebate as they felt they had not hired enough Australian actors . Miller was frustrated, stating that "A once - in - a-lifetime opportunity for the Australian film industry is being frittered away because of very lazy thinking . They're throwing away hundreds of millions of dollars of investment that the rest of the world is competing for and, much more significantly, highly skilled creative jobs ." Production offices were then moved to Vancouver Film Studios in Canada . Filming was pushed back to July 2008, while Warner Bros was still confident they could produce the film for a summer 2009 release . </P> <P> With production delays continuing, and the success of The Dark Knight in July 2008, Warner Bros. decided to focus on the development of individual films featuring the main heroes, allowing director Christopher Nolan to separately complete his Batman trilogy with The Dark Knight Rises in 2012 . Warner Bros. relaunched development for a solo Green Lantern film, released in 2011 as a critical and financial disappointment . Meanwhile, film adaptations for The Flash and Wonder Woman continued to languish in development, while filming for a Superman reboot commenced in 2011 with Man of Steel, produced by Nolan and written by Batman screenwriter David S. Goyer . In October 2012, following its legal victory over Joe Shuster's estate for the rights to Superman, Warner Bros. announced that it planned to move ahead with the Justice League film . Shortly after filming on Man of Steel was complete, Warner Bros hired Will Beall to write the script for a new Justice League film . Warner Bros. president Jeff Robinov explained that Man of Steel would be "setting the tone for what the movies are going to be like going forward . In that, it's definitely a first step ." The film included references to the existence of other superheroes in the DC Universe, and set the tone for a shared fictional universe of DC Comics characters on film . Goyer stated that should Green Lantern appear in a future installment, it would be a rebooted version of the character, unconnected to the 2011 film . </P> <P> With the release of Man of Steel in June 2013, Goyer was hired to write a sequel, as well as a new Justice League, with the Beall draft being scrapped . The sequel was later revealed to be Batman v Superman: Dawn of Justice, a team - up film featuring Henry Cavill as Superman, Ben Affleck as Batman, Gal Gadot as Wonder Woman, Ezra Miller as The Flash, Jason Momoa as Aquaman, and Ray Fisher as Victor Stone / Cyborg, the latter three in minor roles that became more significant in the Justice League film . The universe is separate from Nolan and Goyer's work on The Dark Knight trilogy, although Nolan was still involved as an executive producer for Batman v Superman . In April 2014, it was announced that Zack Snyder would also direct Goyer's Justice League script . Warner Bros. was reportedly courting Chris Terrio to rewrite Justice League the following July, after having been impressed with his rewrite of Batman v Superman: Dawn of Justice . On October 15, 2014, Warner Bros. announced the film would be released in two parts, with Part One on November 17, 2017, and Part Two on June 14, 2019 . Snyder was set to direct both films . In early July 2015, EW revealed that the script for Justice League Part One had been completed by Terrio . Zack Snyder stated that the film would be inspired by the New Gods comic series by Jack Kirby . Although Justice League was initially announced as a two - part film, with the second part set for release two years after the first, Snyder stated in June 2016 that they would be two distinct, separate films and not one film split into two parts, both being stand - alone stories . </P>

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