Who Is Cletis Tout? (2001)

Mr. & Mrs. Smith is a 2005 American action comedy film[1] directed by Doug Liman and written by Simon Kinberg. The film stars Brad Pitt and Angelina Jolie as a bored upper middle class married couple surprised to learn that they are assassins belonging to competing agencies, and that they have been assigned to kill each other.

Besides being a box office hit,  Mr. & Mrs. Smith also established Pitt and Jolie's relationship.