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.