Zardoz

The Vortex is an isolated, heavily guarded, lush community of immortal scientists and intellectuals called the Eternals. Outside the Vortex lies a desolate world laid to waste by war and pollution, peopled by the Brutals, primitive savages and killers who worship a fearsome god, Zardoz. But one rebellious Brutal (Sean Connery) is determined to survive on his own terms, which could threaten the balance of civilization...and possibly destroy it.