Cast

• Thomas Stanley — Baby Marty (voice)
• Andy Richter — Mort (voice)
• Chris Miller — Kowalski (voice)
• Ben Stiller — Alex (voice)
• David Schwimmer — Melman (voice)
• Chris Rock — Marty / Additional Zebras (voice)
• Bernie Mac — Zuba (voice)
• Alec Baldwin — Makunga (voice)
• Sherri Shepherd — Mom (voice)
• Elisa Gabrielli — Nana (voice)
• Christopher Knights — Private (voice)
• Conrad Vernon — Mason (voice)
• Phil LaMarr — Guide (voice)
• Harland Williams — Additional Giraffe (voice)
• Danny Jacobs — Tourist with New York T-Shirt (voice)
• Terrence Hardy Jr. — Cub (voice) (as Terence Hardy)
• Holly Dorff — Fish (voice)
• John DiMaggio — Rico (voice)
• Robert Clotworthy — ADR Group (voice)
• Richard Steven Horvitz — ADR Group (voice)
• Hope Levy — ADR Group (voice)
• Peter Renaday — ADR Group (voice)
• Michelle Ruff — ADR Group (voice)
• Jada Pinkett Smith — Gloria (voice)
• Cedric the Entertainer — Maurice (voice)
• Sacha Baron Cohen — Julien (voice)
• Tom McGrath — Skipper / Lemur (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)
• Zachary Gordon — Baby Melman (voice)
• Meredith Vieira — Newscaster (voice)
• Lesley Stahl — Newscaster (voice)
• Al Roker — Newscaster (voice)
• David Soren — Lemur (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) (as Stacy Ferguson)
• Bridget Hoffman — Female Tourist (voice)
• Conner Rayburn — Little Giraffe (voice)
• David P. Smith — Bobby the Dik Dik (voice) (as David Smith)
• Lynnanne Zager — Lioness (voice)
• Jackie Gonneau — Additional Dik Dik (voice)
• John Eric Bentley — Additional Dialogue (voice) (as John Bentley)
• Philece Sampler — ADR Group (voice)
• Marcelo Tubert — ADR Group (voice)