A Fistful of Dynamite is a 1971 film irected by Sergio Leone (original Italian title: Giù la testa ("Duck your Head!"); also known as Duck, You Sucker and Once Upon a Time … The Revolution. Leone was known to prefer the title Duck, You Sucker, which he was convinced was a frequently used American phrase. Its plot is centered on two individuals, a poor Mexican bandit (played by Rod Steiger) and an ex-Irish Republican Army revolutionary (James Coburn), who meet during the turbulent Mexican Revolution.