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After previewing new trailer for "Astro Boy" at San Diego Comic Con 2009, Summit Entertainment released six fresh images from the CGI adaptation of Osamu Tezuka's manga. A number of the newly-outed stills feature first look at three of the film's characters, Nicolas Cage's Dr. Tenma, Bill Nighy's Dr. Elefun and Donald Sutherland's President Stone.

Aside from the revelation of those characters, some other shots from the movie are also shared. One of them sees Astro soaring above Metro City, another captures the boy robot being scanned, and the rest highlight on Peacekeeper. In addition to the pictures, Summit's also updated the official "Astro Boy" website with an interactive timeline, tracing Astro Boy's near 60 year history.

Back on Thursday, July 23, Summit has not only revealed a new trailer for the animated movie, but also brought up interesting casting news. During "Astro Boy" panel at this year's Comic Con, the studio announced that Samuel L. Jackson and Charlize Theron have signed on to join Freddie Highmore and the rest of the film's voice talents. However, the studio didn't go further on detailing what characters the two Hollywood big names will be lending their voices to.

Set in futuristic Metro City, "Astro Boy" tells the story of a young robot with incredible powers. He is created by a brilliant scientist to replace the son he has lost, but when the scientist finds out the robot couldn't mend his grieving heart, he sends Astro Boy away. Alone and rejected, the young robot embarks on a journey in search of acceptance where he experiences betrayal and gets into a netherworld of robot gladiators, before he finally returns to save Metro City and reconcile with the scientist.

An adaptation of Osamu Tezuka's classic manga, the animation movie comes from "Flushed Away" helmer David Bowers. Penned by Timothy Harris, it features the voice of Kristen Bell in addition to Nicolas Cage, Freddie Highmore and many others. It will be distributed in U.S. theaters on October 23.