Principal photography has begun has begun on the Entourage movie, bringing the HBO series to the big screen. The film will feature the original cast, starring Kevin Connolly, Adrian Grenier, Kevin Dillon, Jerry Ferrara and Jeremy Piven. The film will also star Billy Bob Thornton and Haley Joel Osment. Entourage creator Doug Ellin will be directing the film from his own screenplay. The film is produced by Ellin, Mark Wahlberg, and Stephen Levinson. Movie star Vincent Chase (Adrian Grenier), together with his boys, Eric (Kevin Connolly), Turtle (Jerry Ferrara) and Johnny (Kevin Dillon), are back…and back in business with super agent-turned-studio head Ari Gold (Jeremy Piven). Some of their ambitions have changed, but the bond between them remains strong as they navigate the capricious and often cutthroat world of Hollywood. The film will also reunited many of the behind-the-scenes talents from the original series, including director of photography Steve Fierberg, production designer Chase Harlan, and costume designer Olivia Miles-Payne.