Ben Stiller Alex (voice)
Hans Zimmer Musician, Original Music Composer
Chris Rock Marty / Additional Zebras (voice)
Alec Baldwin Makunga (voice)
Sacha Baron Cohen Julien (voice)
Fred Tatasciore Teetsi / Poacher #1 / Elephant (voice)
Andy Richter Mort (voice)
David Schwimmer Melman (voice)
will.i.am Songs, Moto Moto (voice)
Jada Pinkett Smith Gloria (voice)
Phil LaMarr Guide (voice)
Zachary Gordon Baby Melman (voice)
Bernie Mac Zuba (voice), In Memory Of
Cedric the Entertainer Maurice (voice)
Etan Cohen Writer
Conrad Vernon Mason (voice)
Willow Smith Baby Glorida (voice)
Sherri Shepherd Mom (voice)
Maggie Kang Storyboard Artist
Andy Nelson Sound Re-Recording Mixer
Lorne Balfe Additional Music
Harland Williams Additional Giraffe (voice)
Fergie Hippo Girlfriend (voice)
Stephen Kearin Stephen the Giraffe / Tourist with Camera / Rhino (voice)
Tom McGrath Writer, Skipper / Lemur (voice), Director
Randy Thom Sound Designer
Al Roker Newscaster (voice)
Chris Miller Kowalski (voice)
Tom Holkenborg Additional Music
David Soren Lemur (voice)
David P. Smith Bobby the Dik Dik (voice)
Jim Passon Color Timer
Serguei Kouchnerov Animation
Jonathan Groff Creative Consultant
Jeffrey Katzenberg Executive Producer
Dennis Leonard Supervising Sound Editor
Meredith Vieira Newscaster (voice)
Gavin Greenaway Conductor
Rachel Bolt Musician
Conner Rayburn Little Giraffe (voice)
Danny Jacobs Tourist with New York T-Shirt (voice)
Dennie Thorpe Foley
Steve Mair Musician
Bridget Hoffman Female Tourist (voice)
Terrence Hardy Jr. Cub (voice)
Christopher Knights Private (voice)
Geoff Zanelli Additional Music
Mo Henry Negative Cutter
Heitor Pereira Musician
Erik Vignau Production Supervisor
Jackie Gonneau Additional Dik Dik (voice)
Leslee Feldman Casting
Lynnanne Zager Lioness (voice)
Kevin Kaska Orchestrator
Edie Mirman Telephone Recording (voice)
Pete Oswald Character Designer
Eric Darnell Joe the Witch Doctor / Poacher #2 (voice), Director, Writer
Will Files Supervising Sound Editor, Sound Designer
Jason Oliver Sound Recordist
Bruce Fowler Orchestrator
Elisa Gabrielli Nana (voice)
James Bolt Sound Mixer
Jennifer Dahlman Production Manager
Pete Horner Sound Effects Editor
Hannah Sherman Lighting Artist
Richard Harvey Musician
Lesley Stahl Newscaster (voice)
Mark Berrow Musician
Nicholas Bucknall Musician
Paul Kegg Musician
John Hill Supervising Animator
Alan Meyerson Scoring Mixer