'Wild' Trailer: Reese Witherspoon Hits the Road (Video)

Jean-Marc Vallee, who helmed the Oscar-winning drama "Dallas Buyers Club," directed the film.

The first trailer for Wild sees Reese Witherspoon portraying a woman on a long road toward getting her life back together. That includes hiking more than 1,000 miles through desert, snow, mountains and other desolated areas. 

Jean-Marc Vallee, who helmed the Oscar-winning drama Dallas Buyers Club, directed the film. The cast includes Laura Dern, Thomas Sadowski, Brian van HoltMo McRae, Gaby Hoffmann and Kevin Rankin.

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The film is an adaptation of Cheryl Strayed's 2012 memoir, Wild: From Lost to Found on the Pacific Crest Trail, which follows the author as she hikes on a self-discovery journey. 

Wild hits theaters in wide release Dec. 5 against Fox's horror title The Pyramid