Kevin James
Griffin Keyes
Rosario Dawson
Kate
Leslie Bibb
Stephanie
Joe Rogan
Gale
Nat Faxon
Dave
Ken Jeong
Venom
Steffiana De La Cruz
Robin
Thomas Gottschalk
Jurgen
Donnie Wahlberg
Shane
Brandon Keener
Nimer
Nick Bakay
Franky
Jackie Sandler
TGIF Waitress
Nicholas Turturro
Manny
Nick Nolte
Bernie the Gorilla (voice)
Adam Sandler
Donald the Monkey (voice)
Sylvester Stallone
Joe the Lion (voice)
Cher
Janet the Lioness (voice)
Judd Apatow
Barry the Elephant (voice)
Faizon Love
Bruce the Bear (voice)
Jon Favreau
Jerome the Bear (voice)
Maya Rudolph
Mollie the Giraffe (voice)
Bas Rutten
Sebastian the Wolf (voice)
Don Rickles
Frog (voice)
Jim Breuer
Crow (voice)
Richie Minervini
Ostrich (voice)
Katrina Begin
TGIF Secretary
Matthew R. Staley
Glenn
Gary Valentine
Pizza Guy
Tanner Blaze
Little Boy at Zoo
Tim Gage
Bike Guy
Gino Falsetto
Valet
Etienne Deneault
Acrobat
Robin Bakay
Rebecca
Michael Burton
Car Customer
Todd Zeile
High Roller
Mookie Barker
Grandfather
Tara Giordano-Dean
Shana
Daniel Guire
Salesman
Mark DellaGrotte
Salesman
Ellen Colton
Shane's Mother
Barry Bernardi
Cab Driver
Juston McKinney
Upscale Restaurant Manager
Garon Michael
Bernie the Gorilla
Dan Marshall
Zoo Visitor (uncredited)
Crystal the Monkey
Donald the Monkey (uncredited)
Charlie Alejandro
Wealthy Zoo Patron (uncredited)
Brina
Party Guest (uncredited)
Mike Burton
Car Customer (uncredited)
Billy Concha
TGIF Patron (uncredited)
Danny Connelly
Zookeeper (uncredited)
Christopher J. Davis
Bar Fly(uncredited)
Becki Dennis
Zoo-worker (uncredited)
Simba Dibinga
Simba the Zookeeper (uncredited)
John Franchi
Construction Architect (uncredited)
J. Gulinello
Waiter (uncredited)
Bart the Bear 2
Jerome the Bear