Christy Carlson Romano
Kim Possible (voice)

Will Friedle
Ron Stoppable (voice)

Nancy Cartwright
Rufus (voice)

Tahj Mowry
Wade Load (voice)

John DiMaggio
/ Dr. Drakken (voice) / Dr. Drakken / Motor Ed (voice) / Dr. Drakken / Bartholo...

Nicole Sullivan
Shego (voice) / / Shego / Computer Voice (voice) / Shego / Miss Go (voice)

Patrick Warburton
Steve Barkin (voice) / Steve Barkin / Chief Barkin (voice)

Kirsten Storms
Bonnie Rockwaller (voice)

Jean Smart
Dr. Ann Possible (voice) / Dr. Ann Possible / Tutor Woman (voice)

Raven-Symoné
Monique (voice)

Tara Strong
Britina (voice) / Tara (voice) / Additional Voices (voice) / Tara / Cheer Camp C...

Gary Cole
Dr. James Possible (voice)

Shaun Fleming
Tim Possible / Jim Possible (voice)

Rob Paulsen
Francois (voice) / Scientist #2 / Hank Perkins (voice) / Kyle (voice) / Smarty M...

Tom Kane
Lord Monkey Fist (voice) / Sir Monty Fiske / Lord Monkey Fist (voice) / American...

Nestor Carbonell
Señor Senior Jr. (voice)

Jeff Bennett
Additional Voices (voice) / Professor Acari / Desk Clerk / Announcer (voice) / B...

Patton Oswalt
Professor Dementor (voice) / Professor DeMenz (voice)

Corey Burton
/ Additional Voices (voice) / Dr. Lurkin (voice) / Drak-Force One Computer (voi...

Andrea Martin
Mrs. Stoppable (voice) / Nervous Singer (voice)