The Boondock Saints II: All Saints Day is a 2009 American vigilante action thriller film written and directed by Troy Duffy, based on a story by Duffy and his brother Taylor. A sequel to The Boondock Saints (1999), the film stars Sean Patrick Flanery, Norman Reedus, Clifton Collins Jr., Julie Benz, Peter Fonda, and Billy Connolly. Set eight years after the events of the first film, it follows Irish fraternal twin brothers Connor and Murphy MacManus living a quiet life in Ireland with their father Noah, formerly known as "Il Duce" (Connolly). However, when an assassin frames the twins for the murder of a Catholic priest, they return to Boston and join forces with Mexican underground fighter Romeo and FBI Special Agent Eunice Bloom (Benz), a former protégée of Paul Smecker.

The Boondock Saints is a 1999 American vigilante action thriller film written and directed by Troy Duffy in his feature directorial debut. Starring Willem Dafoe, Sean Patrick Flanery, Norman Reedus, David Della Rocco, and Billy Connolly, the film follows Irish fraternal twin brothers Connor and Murphy MacManus, who become vigilantes after killing two members of the Russian mafia in self defense. After both experience an epiphany, the twins, together with their best friend "Funny Man" Rocco (Rocco), set out on a mission to rid Boston of the criminal underworld in the name of God, all the while being pursued by FBI Special Agent Paul Smecker (Dafoe).