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OTRC: Harrison Ford gets the laughs in new 'Cowboys & Aliens' trailer - watch

Harrison Ford and Sam Rockwell appear in a still from 'Cowboys and Aliens' (Universal Pictures)

Harrison Ford and Daniel Craig take the focus back from Olivia Wilde in the new trailer for the Universal Studios science fiction western, "Cowboys & Aliens," which was released on Friday.

The trailer still features a nude Wilde, but Ford and Craig demonstrate their star power in the third trailer for the film, which is slated for a July 29 release.

In the film, Jake Lonergan (Daniel Craig) wakes up with no memory of his past and a shackle around his wrist. He goes into the town of Absolution and learns he's a wanted criminal and the man who runs the town (Harrison Ford) wants him gone, but when aliens start attacking the town and stealing their people, it becomes clear that Lonergan holds the key to defeating them.

The movie is based on a 2006 graphic novel of the same name, created by Scott Mitchell Rosenberg. Jon Favreau signed on to direct and Steven Spielberg is the executive producer, with Brian Grazer and Ron Howard producing.

Robert Downey Jr. was originally cast as the protagonist, but had to drop out due to his commitment to "Sherlock Holmes: A Game of Shadows."

At the premiere for his new movie "Super 8," executive producer Steven Spielberg told OnTheRedCarpet.com that science fiction has replaced westerns as the "new identity of Hollywood," but the action flick appears to successfully combine the two genres.

"I think movies about aliens today have replaced the western," Spielberg said. "The first movie really ever made was 'The Great Train Robbery' and westerns were part of the identity of Hollywood for over 80 years and I think science fiction is now the new identity of Hollywood. It was westerns for 80-years and it's been westerns ever since '2001 Space Odyssey' in '68."

"Cowboys & Aliens" is set for release on July 29, 2011. Watch the trailer below.

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