Dear John is a 2010 American romantic drama-war film starring Amanda Seyfried and Channing Tatum. It was made by Screen Gems, a Sony company. It was released theatrically in North America on February 5, 2010. The film was directed by Lasse Hallström, and it is an adaptation of Nicholas Sparks's novel of the same name. It follows the life of a soldier (Channing Tatum) after he falls in love with a young woman (Amanda Seyfried). They decide to exchange letters to each other after he is deployed to the war. The movie was filmed in 2009 in Charleston, South Carolina.