Thunderbolt and Lightfoot

Thunderbolt and Lightfoot is a 1974 American crime film written and directed by Michael Cimino and starring Clint Eastwood, Jeff Bridges, George Kennedy, and Geoffrey Lewis.

Lightfoot eventually learns that the minister is really a notorious bank robber known as The Thunderbolt Clint Eastwood for his use of amillimeter cannon to break into a safe. Hiding out in the guise of a clergyman following the robbery of a Montana bank, Thunderbolt is the only member of his old gang who knows where the loot is hidden.After escaping another attempt on his life by two other men, Thunderbolt tells Lightfoot that the ones trying to kill him are members of his gang who mistakenly thought Thunderbolt had doublecrossed them. He and Lightfoot journey to Warsaw, Montana to retrieve the money hidden in an old oneroom schoolhouse. They discover the schoolhouse has been replaced by a brandnew school standing in its place. ........

Source: Wikipedia