Justin Long
Humphrey (voice)
Acting
Hayden Panettiere
Kate (voice)
Acting
Dennis Hopper
Tony (voice)
Acting
Danny Glover
Winston (voice)
Acting
Larry Miller
Marcel (voice)
Acting
Eric Price
Paddy / Mooch (voice)
Acting
Vicki Lewis
Eve (voice)
Acting
Chris Carmack
Garth (voice)
Acting
Kevin Sussman
Shakey (voice)
Acting
Brian Donovan
Salty (voice)
Acting
Christina Ricci
Lilly (voice)
Acting
Elizabeth Tulloch
Sweets (voice)
Acting
Christine Lakin
Reba (voice)
Acting
Mindy Sterling
Debbie (voice)
Acting
Fred Tatasciore
Garn (voice)
Acting
Nika Futterman
Porcupine (voice)
Acting
Mela Lee
Candy (voice)
Acting
Steve Vinovich
Park Ranger (voice)
Acting
Aziz Ansari
Thug (voice) (uncredited)
Acting
Eric Lopez
Can-do (voice)
Acting
Marilyn Tokuda
Claws / Janice (voice)
Acting
Maya Kay
Bear Cub (voice) (as Maya Feltheimer)
Acting