Saint John of Las Vegas

Saint John of Las Vegas is a 2009 American comedydrama film starring Steve Buscemi, Romany Malco, and Sarah Silverman.

A compulsive gambler attempts to cure his addiction by moving from Las Vegas to Albuquerque and working at an auto insurance company, only to find old temptations cropping up once again when hes sent out to investigate a dubious car accident just outside Sin City.After a string of bad luck at the tables, John Steve Buscemi decides to give up gambling and take a shot at a normal life. Arriving in Albuquerque and landing a job at an auto insurance company, John goes to work for Mr. Townsend Peter Dinklage, who pairs him with the companys top fraud debunker, Virgil Romany Malco, and sends them out on an investigation together. While John is eager to get a promotion, hes reluctant to go anywhere near Las Vegas, and before he leaves he strikes up a tenuous romance with his eccentric coworker, Jill Sarah Silverman. ........

Source: Wikipedia