"The Revenant" makeup artists bear attack

Leonardo DiCaprio could win an Oscar for his physically demanding performance in "The Revenant." 

In one already iconic scene, DiCaprio is mauled by a bear in a vicious and horrifying attack. In a behind-the-scenes featurette, the cast and crew revealed how they made this scene so realistic — with the help of a giant makeup team and four and a half hours of makeup.

Story by Ian Phillips and editing by Ben Nigh