'Ender's Game' Trailer: A Chosen Boy Against an Alien Invasion (Video)

Young actor Asa Butterfield ("Hugo") plays the title role in the sci-fi adaptation.

The first trailer for Ender's Game, the big-screen adaptation of Orson Scott Card's 1985 sci-fi novel, has hit the web, and is certain to send fans into a tizzy.

Directed and written by Gavin Hood (X-Men Origins: Wolverine), the film stars Asa Butterfield (Hugo) as Andrew "Ender" Wiggin, a boy who demonstrates enormous potential in battling an oncoming alien invasion that threatens the human race.

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Harrison Ford plays Colonel Graff, who heads up the Battle School where young soldiers are readied for combat. Also featured in the impressive cast: Oscar winner Ben Kingsley and Oscar nominees Abigail Breslin, Viola Davis and Hailee Steinfeld.

The Lionsgate film opens Nov. 1.