’The Gray Man’ Cast Had Fun From Beginning to End: “It’s a Once in a Lifetime Opportunity” | PEOPLE

’The Gray Man’ is based on the 2009 Mark Greaney novel of the same name and centers on a freelance assassin and former CIA operative as he’s hunted across the world by a former member of his team. The film stars Chris Evans, Ryan Gosling, Billy Bob Thornton, Ana de Armas, Regé-Jean Page, Jessica Henwick, Michael Gandolfini and Alfre Woodard. Subscribe to People ►► #PEOPLE #TheGrayMan Catch up on the latest celebrity news, top stories and more: PEOPLE goes behind-the-scenes with our cover stars for exclusive stories and in-depth interviews: PEOPLE goes in-depth with your favorite stars and celebrities to bring you exclusive stories and features: