Steffiana De La Cruz
Robin
Tom Woodruff Jr.
Bernie the Gorilla
Jackie Sandler
TGIF Waitress
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)
Richie Minervini
Ostrich (voice)
Katrina Begin
TGIF Secretary
Tanner Blaze
Little Boy at Zoo
Michael Burton
Car Customer
Ellen Colton
Shane's Mother
Juston McKinney
Upscale Restaurant Manager
Garon Michael
Bernie the Gorilla
Dan Marshall
Zoo Visitor (uncredited)
Crystal the Monkey
Donald the Monkey (uncredited)
Bart the Bear II
Jerome the Bear