Eric Edelstein as Grizzly (voice)

Bobby Moynihan as Panda (voice)

Demetri Martin as Ice Bear (voice)

Marc Evan Jackson as Agent Trout (voice)

Jason Lee as Charlie (voice)

Patton Oswalt as Nom Nom (voice)

Charlyne Yi as Chloe Park (voice)

Ellie Kemper as Lucy (voice)

Mel Rodriguez as Darrel (voice)

Cameron Esposito as Ranger Tabes (voice)

Keith Ferguson as Officer Murphy / Additional Voices (voice)

Travina Springer as Dramatic Cow (voice)

Amber Liu as Jojo Raccoon (voice)

Fabrizio Guido as Pizza Rat (voice)

James Trevena as Jacked Kangaroo / Additional Voices (voice)

Jimmy O. Yang as Joey Raccoon (voice)

Sam Lavagnino as Baby Grizz (voice)

Duncan Joiner as Baby Panda (voice)

Max Mitchell as Baby Ice Bear (voice)

Sarah Sobole as Angry Kitty (voice)

Peter Jessop as Canadian Border Guard / Additional Voices (voice)

Josh Cooley as Painting Elephant / Additional Voices (voice)

Brian T. Stevenson as Southern Owl (voice)

Rick Zieff as Additional Voices (voice)

Daniel Chong as Additional Voices (voice)

Ben Diskin as Additional Voices (voice)

Ace Gibson as Additional Voices (voice)

Grey DeLisle as Additional Voices (voice)

Manny Hernandez as Additional Voices (voice)

Maggie Lowe as Additional Voices (voice)

Edi Patterson as Additional Voices (voice)

Kevin Michael Richardson as Additional Voices (voice)

Stephanie Sheh as Additional Voices (voice)

Erin Fitzgerald as Additional Voices (voice)