The Whole Nine Yards (2000)

The story takes place in Montreal, where dentist Oz Oseransky discovers that his new neighbor, Jimmy Tudeski, is a former hitman turned police informant, and his whereabouts are claimed by the hungarian mafia for a very high price. Encouraged by his wife Sophie, Oz travels to Chicago to inform the mob of his neighbor and claim the reward. Don't miss this dark comedy featuring Bruce Willis and Matthew Perry, funny and hilarious, add it to your list!