Sequel's voice cast includes Elijah Wood, Hank Azaria, Robin Williams, Sofia Vergara
The Mighty Sven is ready for his close-up
Sven is an exotic-looking penguin who can fly, much to the astonishment of Erik. Hank Azaria provides the voice. You'll recognize Azaria's voice from various roles on "The Simpsons," as well as his live-action work in "The Birdcage," "Night at the Museum: Battle of the Smithsonian" and, recently, "The Smurfs."