Into the Wild is a 2007 American biographical adventure drama film written, co-produced, and directed by Sean Penn. It is an adaptation of the 1996 non-fiction book written by Jon Krakauer and tells the story of Christopher McCandless, a man who hiked across North America into the Alaskan wilderness in the early 1990s. The film stars Emile Hirsch as McCandless, Hal Holbrook, and Catherine Keener.