"Butch Cassidy and the Sundance Kid" is a 1969 American Western film directed by George Roy Hill and written by William Goldman. Based loosely on fact, the film tells the story of Wild West outlaws Robert LeRoy Parker, known as Butch Cassidy (Paul Newman), and his partner Harry Longabaugh, the "Sundance Kid" (Robert Redford), who are on the run from a crack US posse after a string of train robberies.

The role of Sundance was originally offered to Jack Lemmon, whose production company, JML, had produced the film "Cool Hand Luke" (1967) starring Newman. Lemmon, however, turned down the role because he did not like riding horses and felt that he had already played too many aspects of the Sundance Kid's character before. Other actors considered for the role of Sundance were Steve McQueen and Warren Beatty, who both turned it down, with Beatty claiming that the film was too similar to Bonnie and Clyde. According to Goldman, McQueen and Newman both read the scripts at the same time and agreed to do the film. McQueen eventually backed out of the film due to some disagreements with Newman.

Filming locations include the ghost town of Grafton, Zion National Park, Snow Canyon State Park, and the city of St. George. These areas remain popular film tourism destinations, including the Cassidy Trail in Reds Canyon.

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