John Eliot Sturges was an American film director. His films include Bad Day at Black Rock (1955), Gunfight at the O.K. Corral (1957), The Magnificent Seven (1960), The Great Escape (1963), and Ice Station Zebra (1968). In 2013, The Magnificent Seven and 2018, Bad Day at Black Rock were selected for preservation in the United States National Film Registry by the Library of Congress as being "culturally, historically, or aesthetically significant".

Bad Day at Black Rock is a 1955 American neo-Western film directed by John Sturges with screenplay by Millard Kaufman. It stars Spencer Tracy and Robert Ryan with support from Anne Francis, Dean Jagger, Walter Brennan, John Ericson, Ernest Borgnine and Lee Marvin. The film is a crime drama set in 1945 that contains elements of the revisionist Western genre. In the plot, a one-armed stranger (Tracy) comes to a small desert town and uncovers an evil secret that has corrupted the entire community.