A documentary filmmaker travels to Jellystone Park to shoot a project and soon crosses paths with Yogi Bear, his sidekick Boo-Boo, and Ranger Smith.
| Actor | Role |
|---|---|
 Dan AykroydYogi Bear (voice) | Yogi Bear (voice) |
 Justin TimberlakeBoo-Boo Bear (voice) | Boo-Boo Bear (voice) |
 Anna FarisRachel | Rachel |
 Tom CavanaghRanger Smith | Ranger Smith |
 T.J. MillerRanger Jones | Ranger Jones |
 Nate CorddryChief of Staff | Chief of Staff |
 Andy DalyMayor Brown | Mayor Brown |
 David StottMayor's Tailor | Mayor's Tailor |
 Greg JohnsonDirty Shopper | Dirty Shopper |
 Patricia AldersleyElderly Purse Lady | Elderly Purse Lady |
 Tim McLachlanPurse Snatcher | Purse Snatcher |
 Josh Robert ThompsonNarrator (voice) | Narrator (voice) |
| HHayden VernonSecurity Guard | Security Guard |
 Barry DuffieldSecurity Guard | Security Guard |
 Michael MorrisSecurity Guard | Security Guard |
 Will WallaceSecurity Guard | Security Guard |
| SSuzana SrpekPicnic Table Mom | Picnic Table Mom |
 Anna DawsonGirl at the Picnic (uncredited) | Girl at the Picnic (uncredited) |