: As the mountain guide Hannah, Briem provided a capable and athletic foil to the bumbling Andersons. Technical Milestone: The 3D Revolution

When Trevor, his nephew Sean (Josh Hutcherson), and their mountain guide Hannah (Anita Briem) get trapped in an Icelandic cave, they discover that Verne’s "fiction" was actually a roadmap. What follows is a breakneck descent into a subterranean world filled with: Guiding our heroes through the dark.