Will Arnett
Sweet Pete (voice)
Eric Bana
Monterey Jack (voice)
Flula Borg
DJ Herzogenaurach (voice)
Dennis Haysbert
Zipper (voice)
Keegan-Michael Key
Frog Co-Worker / Bjornson the Cheesemonger (voice)
Tress MacNeille
High-Pitched Chip / Gadget Hackwrench (voice)
Tim Robinson
Ugly Sonic (voice)
Seth Rogen
Bob the Warrior Viking / Pumbaa / Mantis / B.O.B. (voice)
J.K. Simmons
Captain Putty (voice)
Da'Vone McDonald
Jimmy the Polar Bear (voice)
Akiva Schaffer
Various Characters (voice)
Rachel Bloom
Various Characters (voice)
Juliet Donenfeld
Kid Dale (voice)
Liz Cackowski
Cow Teacher / Tigra / Officer O'Hara / Bird Wife (voice)
Mason Blomberg
Kid Chip (voice)
Corey Burton
High-Pitched Dale / High-Pitched Zipper (voice)
Jim Cummings
Fat Cat / Pooh / Tiger / Shredder Arm / Pete / Darkwing Duck (voice)
Chris Parnell
Dave Bollinari (voice)
Jeff Bennett
Lumiere (voice)
June Schaffer
Bumper Car Kid / More Please Mouse / Meow (voice)
Steven Curtis Chapman
Baloo (voice)
Jorma Taccone
Fan Con Announcer / Batman / Toon Car (voice)
Alan Oppenheimer
He-Man / Skeletor (voice)
Hazel Schaffer
Beaver / Railroad Rat (voice)
Charles Fleischer
Roger Rabbit / Chipmunks TV Announcer (voice)
Heather Dragulescu
Principal Robinson
Sean Rohani
Dad Car (voice)
Jake Matthew Cohen
Kid in Classroom
Jonathan Verweij
Kid in Classroom
Sophie Fatu
Kid in Classroom
Rachel Samiri
Kid in Classroom
Matt Cook
Man in Chipmunk Costume
Greg Chun
Deodorant Commercial Narrator (voice)
Tad Stones
Studio Executive (voice)
Krystal Alvarez
Warp Party Photographer
Scott Whyte
Bull Co-Worker (voice)
Nneoma Sampson
Human Co-Worker
Jean Gilpin
Mrs. House (voice)
J. Anthony McCarthy
Bathhouse Clerk
David Tennant
Scrooge McDuck (voice)
Paula Abdul
3-D Reporter / Paula Abdul
Dan Gregor
Snoopy Ear Reporter
Jessie Hendricks
Fan Con Fan
Philena Franklin
Fan Con Fan
Rawson Marshall Thurber
Voltron Vendor
Tom Antonellis
Stinsons Dad
Doug Mand
Cartoon FBI Agent (voice)
Anthony Molinari
Cop (uncredited)