Ben Stiller as Alex (voice)

Chris Rock as Marty (voice)

David Schwimmer as Melman (voice)

Jada Pinkett Smith as Gloria (voice)

Cedric the Entertainer as Maurice (voice)

Andy Richter as Mort (voice)

Taraji P. Henson as Okapi (voice)

Danny Jacobs as King Julien (voice)

Tom McGrath as Skipper (voice)

Chris Miller as Kowalski (voice)

Christopher Knights as Private (voice)

Conrad Vernon as Mason (voice)

Phil LaMarr as Tour Guide (voice)

Brian Hopkins as Elephant (voice)

Susan Fitzer as Crowd Lioness (voice)

Andrea Montana Knoll as Lioness / Hippo / Female Elephant (voice)

James Ryan as Pilot / Dik Dik / Dik Dik #2 (voice)

David Soren as Co-Pilot / Elephant #2 / Hippo / Ostrich (voice)

Lisa Stewart as Lioness #2 / Female Ostrich (voice)