Nancy Cartwright

Todd Daring, Dobbs Darling

Grey Griffin

Riley Daring, Buzz Winters, Lady Lady

Jeff Bennett

Conrad Fleem, Shelton Klutzberry, Principal Cutler

Kath Soucie

Agent K, Agent Kate Darling

Daran Norris

Dick Daring, Sloane Stone, Mr. Paul

David McCallum

C.A.R., Canadian Chauffer

Candi Milo

Hakobo, Shelly Klutzberry, Amanda McMurphy

Lauren Tom

Tasumi, Jennifer, Tasumi-clone

Dee Bradley Baker

Johnny Hitswell, Ace Palmero, Garth the Janitor

Erica Hubbard

Abbey, Claudia

Tara Strong

Sierra McCool, Sky Blossoms, Johnny's Little Sister, Miss Osburn, Miss Osburne, Roxy Shorr, Skye Blossoms

Rob Paulsen

Mr. Vanderbosh, Dr. Klutzberry, Fabian LaToul, George Washington, Hiram Smack, Master Craig, Musical Theater Kid, Phil Mygrave, Science Teacher

J.P. Manoux

Johnny Hitswell, Mr. Fraley, Ronnie Puckswell, Skateboarder

Tempestt Bledsoe

Abbey, Abbey-clone, Claudia

Maurice LaMarche

Abraslam Lincoln, Fleemco Workers, Guy in Jerky Suit, Henchman, Mr. O'Grady

Jess Harnell

Donny Rottweiler, Donny Rottweiller, Donny Rotweiller, Petting Zoo Owner, Radio Announcer, T-Bone

Jack C. Thomas

Carlos Alazraqui

Rodrigo Taratinus, Hakobo's Dad, Mr. Oz, Professor Sneedley

John DiMaggio

Buck Spikes, Coach Goodchild, Buford Joe, Logfoot, Stu

Jason Marsden

Dustin Dreamlake, Ishmeal, Kevin, Marvin, Skater