Calvin and the Colonel: Bears Attacks! is a 2006 animated made-for-video motion picture starring Calvin and the Colonel.
Cast:
- Vic Reeves as Colonel Montgomery J. Klaxon
- Bob Mortimer as Calvin Burnside
- Grey DeLisle as Maggie Belle
- Tress MacNeille as Sister Sue
- Corey Burton as Judge Oliver Wendell Clutch
- Tara Strong as Gladys
- Mindy Cohn as Velma Dinkley
- Christian Rodska as Mr. Toad
- Paige O'Hara as Sarah Grammer
- Robby Benson as Henry Grammer
- Alexander Gould as Nate Grammer
- Billy West as Genji the Dog
- Kath Soucie as Thelma the Girl
- Tom Kenny as Jasper the Human
- Wallace Shawn as Alpha the Goblin
- Danny DeVito as Beta the Goblin
- Jim Cummings as Hunter the Bear