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Film 961: Green Lantern

Trivia: Sam Worthington and Chris Pine were considered for the role of Hal Jordan. Brian Austin Green, a fan of the Green Lantern, campaigned actively to get the role. Bradley Cooper, Justin Timberlake and Jared Leto also screen-tested for the role before finally, Ryan Reynolds was cast as Jordan.

Keri Russell, Eva Green, Jennifer Garner and Diane Kruger were all considered to play Carol Ferris.

At one point Clark Kent/Superman was in the script (he had a cameo as one of the candidates considered to receive a power ring), but he was cut out because the filmmakers didn't want to depend on another superhero for a success.

Zack Snyder was approached to direct the film, but he turned down the offer due to his commitment on Watchmen. He would later accept the offer to direct the Superman reboot Man of Steel.

Peter Sarsgaard had a prosthetic applied on his head to portray Hector Hammond in the initial stages of his mutation. For scenes where Hammond's head actually enlarges it will be done in CGI.

To prepare for his role as Hector Hammond, Peter Sarsgaard spent time with a biologist from Tulane University, who he described as "the most eccentric guy I could find." They both worked on preparing the lecture Hammond gives in the film.

One of the Green Lanterns does not have the standard "ring" logo on his chest, but a bell. This is not a goof. It's Rot Lop Fan, an alien from a world that gets almost no sunlight, and his race is blind. As his race could not grasp the concept of the color green or a light-giving lantern, his symbol is an F-Sharp bell, which his species feels is a pleasing tone.