Ben Stiller
Alex (voice)
Chris Rock
Marty (voice)
David Schwimmer
Melman (voice)
Jada Pinkett Smith
Gloria (voice)
Frances McDormand
Captain Chantel DuBois (voice)
Sacha Baron Cohen
King Julien XIII (voice)
Andy Richter
Mort (voice)
Cedric the Entertainer
Maurice (voice)
Jessica Chastain
Gia (voice)
Bryan Cranston
Vitaly (voice)
Martin Short
Stefano (voice)
Paz Vega
Carmen (voice)
Frank Welker
Sonya (voice)
Tom McGrath
Skipper / First Policeman (voice)
Chris Miller
Kowalski (voice)
Christopher Knights
Private (voice)
Conrad Vernon
Mason / Second Policeman (voice)
Vinnie Jones
Freddie the Dog (voice)
Steve Jones
Jonesy the Dog (voice)
Nick Fletcher
Frankie the Dog (voice)
Danny Jacobs
Croupier / Circus Master (voice)
Dan O'Connor
Casino Security / Mayor of New York City (voice)
Eric Darnell
Comandante / Zoo Official / Zoo Announcer (voice)
Stephen Kearin
Fourth Policeman (voice)
Emily Nordwind
Zoo Official (voice)
Asucena Jimenez
Kid in Crowd (voice)