RJ

Bruce Willis

Verne

Garry Shandling

Dwayne LaFontaine

Thomas Haden Church

Len Blum

Debbie

Debra A. Wilson

Sammy the Squirrel

Steve Carell

Lorne Cameron

Ozzie the Possum

William Shatner

Stella the Skunk

Wanda Sykes

Nugent the Dog (voice)

Brian Stepanek

Additional Voices (voice)

Greyson Spann

David Hoselton*

Gladys

Allison Janney

Additional Voices (voice)

David Hiller

Vincent (voice)

Nick Nolte

Navistar GPS System (voice)

April Lawrence

Ruby Marlowe

Heather

Avril Lavigne

Additional Voices (voice)

Sandy Holt

Lew the Porcupine

Eugene Levy

Penny the Porcupine

Catherine O'Hara

TV Announcer

Pat Fry

Tiger (voice)

Omid Djalili

Bucky (voice)

Sami Kirkpatrick

Spike (voice)

Shane Baumel

Quillo (voice)

Madison Davenport

Skeeter (voice)

Paul Butcher

Additional Voices (voice)

Ariel Winter

Mackenzie (voice)

Zoe Randol

Additional Voices (voice)

Jessie Flower

Shelby (voice)

Jessica DiCicco

Debbie (voice)

Debra Wilson

Police Officer (voice)

Sean Bishop

Janis (voice)

Jeannie Elias

Timmy (voice)

Kejon Kesse

BBQ Barry (voice)

Sean Yazbeck

Ranger (voice)

Geoffrey Pomeroy

Dr. Dennis (voice)

Joel McCrary

Lunch Table Larry (voice)

Lee Bienstock

Additional Voices (voice)

Steve Alterman

Additional Voices (voice)

Erin Lander

Additional Voices (voice)

Kirk Baily

Additional Voices (voice)

Jordan Orr

Additional Voices (voice)

Michelle Ruff

Additional Voices (voice)

Nicholas Guest

Additional Voices (voice)

Bridget Hoffman

Additional Voices (voice)

Marcelo Tubert

Additional Voices (voice)

Talula Holt