Ben Stiller
Alex (voice)
Chris Rock
Marty / Additional Zebras (voice)
David Schwimmer
Melman (voice)
Jada Pinkett Smith
Gloria (voice)
Sacha Baron Cohen
Julien (voice)
Cedric the Entertainer
Maurice (voice)
Andy Richter
Mort (voice)
Bernie Mac
Zuba (voice)
Alec Baldwin
Makunga (voice)
Sherri Shepherd
Mom (voice)
Will.i.am
Moto Moto (voice)
Elisa Gabrielli
Nana (voice)
Tom McGrath
Skipper / Lemur (voice)
Chris Miller
Kowalski (voice)
Christopher Knights
Private (voice)
Conrad Vernon
Mason (voice)
Quinn Dempsey Stiller
Baby Alex (voice)
Declan Swift
Baby Alex (voice)
Fred Tatasciore
Teetsi / Poacher #1 / Elephant (voice)
Eric Darnell
Joe the Witch Doctor / Poacher #2 (voice)
Willow Smith
Baby Glorida (voice)
Thomas Stanley
Baby Marty (voice)
Zachary Gordon
Baby Melman (voice)
Meredith Vieira
Newscaster (voice)
Lesley Stahl
Newscaster (voice)
Al Roker
Newscaster (voice)
David Soren
Lemur (voice)
Phil LaMarr
Guide (voice)
Stephen Kearin
Stephen the Giraffe / Tourist with Video Camera / Rhino (voice)
Dan O'Connor
Tourist with University Shirt / Cape Buffalo (voice)
Edie Mirman
Telephone Recording (voice)
Fergie
Hippo Girlfriend (voice)
Harland Williams
Additional Giraffe (voice)
Danny Jacobs
Tourist with New York T-Shirt (voice)
Bridget Hoffman
Female Tourist (voice)
Terrence Hardy Jr.
Cub (voice)
Conner Rayburn
Little Giraffe (voice)
Holly Dorff
Fish (voice)
David P. Smith
Bobby the Dik Dik (voice)
Lynnanne Zager
Lioness (voice)
Jackie Gonneau
Additional Dik Dik (voice)