Tom McGrath
Role: Skipper (voice)
Chris Miller
Role: Kowalski (voice)
Christopher Knights
Role: Private (voice)
Conrad Vernon
Role: Rico (voice)
John Malkovich
Role: Dave (voice)
Benedict Cumberbatch
Role: Classified (voice)
Ken Jeong
Role: Short Fuse (voice)
Annet Mahendru
Role: Eva (voice)
Peter Stormare
Role: Corporal (voice)
Andy Richter
Role: Mort (voice)
Danny Jacobs
Role: King Julien (voice)
Werner Herzog
Role: Documentary Filmmaker (voice)
Sean Charmatz
Role: Cricket (voice)
Billy Eichner
Role: New York Reporter (voice)
Stephen Kearin
Role: Pilot / Aquarium Employee (voice)
Ava Acres
Role: Girl at Zoo (voice)
Kelly Cooney Cilella
Role: Mermaid Penguin (voice)
Susan Fitzer
Role: Antarctic Penguin (voice)
Chris Sanders
Role: Antarctic Penguin (voice)
Emily Nordwind
Role: Antarctic Penguin (voice)
Mike Mitchell
Role: Antarctic Penguin (voice)
Hope Levy
Role: Antarctic Penguin / Woman at Aquarium (voice)
Walt Dohrn
Role: Antarctic Penguin (voice)
Jim Pirri
Role: Gondolier (voice)
Elizabeth Pan
Role: Shanghai TV Reporter (voice)
Jeff Fischer
Role: Security System Voice (voice)
Stephen Apostolina
Role: Penguin Prisoner (voice)
Al Rodrigo
Role: Penguin Fan (voice)
Steve Alterman
Role: Aquarium Announcer (voice)
Carter Hastings
Role: Boy at Aquarium (voice)
Cullen McCarthy
Role: Boy at Zoo (voice)
Nicholas Guest
Role: Flight Attendant (voice)
Adriano Aragon
Role: Angry Man (voice)
Lynnanne Zager
Role: Computer Voice (voice)
Angie Wu
Role: Girl with Snow Globe (voice)
