MGM has just released its first full-length trailer for the film The Last Legion. You can watch it right now.

As the Roman Empire crumbles, young Romulus Augustus (Thomas Songster) flees the city and embarks on a perilous voyage to Britain to track down a legion of supporters. The film tells the story of how Excalibur got stuck in that rock.

The Last Legion stars Colin Firth, Aishwarya Rai, Sir Ben Kingsley, Thomas Sangster, Peter Mullan and Iain Glen. The film opens on August 24th, 2007.