Eric Darnell Director, Screenwriter Tom McGrath Skipper Director, Voice Conrad Vernon Mason the Chimp Director, Voice Ben Stiller Alex Voice Chris Rock Marty Voice David Schwimmer Melman Voice Jada Pinkett Smith Gloria Voice Sacha Baron Cohen King Julien XIII Voice Frances McDormand Capitaine Chantel DuBois Voice Bryan Cranston Vitaly Voice Jessica Chastain Gia Voice Martin Short Stefano Voice Cedric the Entertainer Maurice Voice Andy Richter Mort Voice Noah Baumbach Screenwriter Mireille Soria Producer Mark Swift Producer Hans Zimmer Original Music Nick Fletcher Film Editing Kendal Cronkhite Production Design Shannon Jeffries Art Director Leslee Feldman Casting Christi Soper Casting