Tráiler
Reparto
Julie Kavner
Female Pigeon (voice)
Brian Doyle-Murray
Old Beagle (voice)
Jonathan Lipnicki
Baby Tiger (voice)
Reni Santoni
Rat #1 (Voice)
Oliver Platt
Dr. Mark Weller
Raven-Symoné
Charisse
Norm Macdonald
Lucky (voice)
Phil Proctor
Drunk Monkey (Voice)
Chad Einbinder
Bettleheim the Cat (voice)
Paul Giamatti
Blaine (uncredited)
Pruitt Taylor Vince
Patient at Hammersmith (uncredited)
Peter Boyle
Calloway
June Christopher
Diane
Gilbert Gottfried
Compulsive Dog (Voice)
Kellye Nakahara
Beagle Woman
Charles Branklyn
Security Guard
Jeffrey Tambor
Dr. Fish
Stan Sellers
Cop #1
Ellen DeGeneres
Prologue Dog (voice)
Eddie Murphy
Dr. John Dolittle
Chris Rock
Rodney (voice)
Kerrigan Mahan
Penguin (voice)
Ming Lo
Cop #2
Crystal the Monkey
Drunk Monkey (uncredited)
Erik Dellums
Jeremy
Jeff Doucette
Possum (voice)
Beth Grant
Woman
John Lafayette
Reverend
Kyla Pratt
Maya
Jenna Elfman
Owl (Voice)
Don Calfa
Patient at Hammersmith
Ossie Davis
Archer Dolittle
Paul Reubens
Raccoon (voice)
Doug Shamburger
Pound Dog (voice)
Hamilton Camp
Pig (voice)
Yule Caise
Vet's Assistant
Tom Towles
German Shepherd (voice)
Karl T. Wright
Reporter
Benny Buettner
Circus Clown (uncredited)
Arnold F. Turner
Animal Control Officer
Royce D. Applegate
'I Love You' Dog (voice)
Mark Adair-Rios
Intern
Richard Schiff
Dr. Gene Reiss
Cherie Franklin
Mrs. Parkus
Richard Penn
Mr. Galvin
Kristen Wilson
Lisa
Garry Shandling
Male Pigeon (voice)
Archie Hahn
Heavy Woman's Dog (voice)
Albert Brooks
Tiger (voice)
John Leguizamo
Rat #2 (Voice)
Spencer Kayden
Circus Audience (uncredited)