Eric Darnell Director, Screenwriter Tom McGrath Skipper Director, Voice, Screenwriter Ben Stiller Alex Voice Chris Rock Marty Voice David Schwimmer Melman Voice Jada Pinkett Smith Gloria Voice Sacha Baron Cohen King Julien Voice Cedric the Entertainer Maurice Voice Andy Richter Mort Voice Bernie Mac Zuba Voice Alec Baldwin Makunga Voice Sherri Shepherd Alex's Mom Voice will.i.am Moto Moto Voice, Original Music Elisa Gabrielli Nana Voice Chris Miller Kowalski Voice Christopher Knights Private Voice Conrad Vernon Mason Voice Etan Cohen Screenwriter Mireille Soria Producer Mark Swift Producer H. Lee Peterson Film Editing Hans Zimmer Original Music Kendal Cronkhite Production Design Shannon Jeffries Art Director Leslee Feldman Casting