"All the King's Men" (2006), an American political drama film, was written, directed and produced by Steven Zaillian. It was based on the 1946 Pulitzer Prize–winning novel "All the King's Men" by Robert Penn Warren. "All the King's Men" had previously been adapted into a Best Picture Oscar–winning film by writer-director Robert Rossen in 1949. The film narrates the rise to power and demise of the Governor Willie Stark (Sean Penn), taking his office to conduct political machinations in the Depression-era Deep American South.

The fictional character is loosely based on the real-life story of charismatic populist Louisiana governor Huey P. Long, in office between 1928—1932. After being elected to the US Senate, he was assassinated in 1935. The film co-stars Jude Law, Kate Winslet, Anthony Hopkins, James Gandolfini, Mark Ruffalo, Patricia Clarkson, Jackie Earle Haley and Frederic Forrest in his final film appearance.

"All the King's Men" grossed $7.2 million in North America, and $2.2 million in other territories, for a worldwide total of $9.5 million, against a production budget of $50 million. Accordingly, in spite of its high-profile cast (Penn, Law, Winslet, and Hopkins), film direction, and production team, "All the King's Men" was a massive failure, both with critics and at the box office ultimately.

It is also interesting to note that, in this instance, the film's title is drawn from the nursery rhyme "Humpty Dumpty".

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