There are several significant differences between these two movies. The biggest one is that while No Country for Old Men stars Woody Harrelson and Tommy Lee Jones, Hell or High Water features Jeff Bridges and Ben Foster. Meanwhile, the main character in No Country for Old Men is a lawman named Sheriff Ed Tom Bell, while the main character in Hell or High Water is a bank robber named Toby. Lastly, No Country for Old Men is a neo-Western thriller, while Hell or High Water is a neo-Western comedy-drama.