Fearless optimist Anna teams up with Kristoff in an epic journey, encountering Everest-like conditions, and a hilarious snowman named Olaf in a race to find Anna's sister Elsa, whose icy powers have trapped the kingdom in eternal winter. Directors: Chris Buck, Jennifer Lee Writers: Jennifer Lee screenplay, Hans Christian Andersen inspired by the story "The Snow Queen" by, 4 more credits » Stars: Kristen Bell, Josh Gad, Idina Menzel