Shadow of the Vampire (2000)

A fictional telling of the making of the above 1922 "Nosferatu," wherein actor Max Schreck (in an Oscar-nominated performance by Willem Dafoe) is either an incredible method actor or a real vampire pretending to be an actor pretending to be a vampire. Film itself is also treated as a vampire, especially as embodied by the zealous director F.W. Murnau (as played by John Malkovich).