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The Day After Tomorrow is a 2004 American disaster film directed by Roland Emmerich and starring Dennis Quaid, Jake Gyllenhaal, Emmy Rossum, Ian Holm, Sela Ward, and Sam Shepard. The film depicts a series of climate change-induced extreme weather events that wipe out much of the world's population. Quaid plays paleoclimatologist Jack Hall, who tries to save his son Sam (Gyllenhaal) from the aftermath of the events.