A Scanner Darkly is a 2006 American adult animated science fiction thriller film written and directed by Richard Linklater; it is based on the 1977 novel of the same name by Philip K. Dick. The film tells the story of identity and deception in a near-future dystopia constantly under intrusive high-tech police surveillance in the midst of a drug addiction epidemic.

Richard Stuart Linklater is an American film director, producer, and screenwriter. He is known for making films that deal thematically with suburban culture and the effects of the passage of time. His films include the comedies Slacker (1990) and Dazed and Confused (1993); the Before trilogy of romance films: Before Sunrise (1995), Before Sunset (2004), and Before Midnight (2013); the music-themed comedy School of Rock (2003); the adult animated films Waking Life (2001), A Scanner Darkly (2006), and Apollo 10 1⁄2: A Space Age Childhood (2022); the coming-of-age drama Boyhood (2014); and the comedy film Everybody Wants Some!! (2016).