Ben Stiller

Character: Alex (voice)

Chris Rock

Character: Marty (voice)

David Schwimmer

Character: Melman (voice)

Jada Pinkett Smith

Character: Gloria (voice)

Frances McDormand

Character: Captain Chantel DuBois (voice)

Sacha Baron Cohen

Character: Julien (voice)

Andy Richter

Character: Mort (voice)

Cedric the Entertainer

Character: Maurice (voice)

Jessica Chastain

Character: Gia (voice)

Bryan Cranston

Character: Vitaly (voice)

Martin Short

Character: Stefano (voice)

Paz Vega

Character: Carmen (voice)

Frank Welker

Character: Sonya (voice)

Tom McGrath

Character: Skipper / First Policeman (voice)

Chris Miller

Character: Kowalski (voice)

Christopher Knights

Character: Private (voice)

Conrad Vernon

Character: Mason / Second Policeman (voice)

Vinnie Jones

Character: Freddie the Dog (voice)

Steve Jones

Character: Jonesy the Dog (voice)

Nick Fletcher

Character: Frankie the Dog (voice)

Danny Jacobs

Character: Croupier / Circus Master (voice)

Dan O'Connor

Character: Casino Security / Mayor of New York City (voice)

Eric Darnell

Character: Comandante / Zoo Official / Zoo Announcer (voice)

Stephen Kearin

Character: Fourth Policeman (voice)

Emily Nordwind

Character: Zoo Official (voice)