Christy Carlson Romano
Kim Possible (voice) (21 eps)
Will Friedle
Ron Stoppable (voice) (21 eps)
Nancy Cartwright
Rufus (voice) (21 eps)
Tahj Mowry
Wade Load (voice) (21 eps)
Kirsten Storms
Bonnie Rockwaller (voice) (10 eps)
Gary Cole
Dr. James Possible (voice) (8 eps)
Shaun Fleming
Tim Possible / Jim Possible (voice) (7 eps)
Patrick Warburton
Steve Barkin (voice) (6 eps)
Bill Barretta
Jilly from Jersey (voice) (4 eps)
Jeff Bennett
Adrena Lynn's Cameraman (voice) (4 eps)
John DiMaggio
Camp Counselor (voice) (4 eps)
Tara Strong
Tara / Yearbook Girl (voice) (4 eps)
Lola Sanchez
Alison (voice) (4 eps)
Nestor Carbonell
Señor Senior Jr. (voice) (4 eps)
Raven-Symoné
Monique (voice) (4 eps)
Rider Strong
Brick Flagg (voice) (3 eps)
Dan Castellaneta
Mr. Geminini (voice) (3 eps)
Rob Paulsen
Francois (voice) (3 eps)
Carly Pope
Amelia (voice) (2 eps)
Roz Ryan
Mrs. Load (voice) (2 eps)
Ricardo Montalban
Señor Senior Sr. (voice) (2 eps)
Tom Kane
Sir Monty Fiske / Lord Monkey Fist (voice) (2 eps)
Phil LaMarr
Additional Voices (voice) (2 eps)
Maurice LaMarche
'Big Daddy' Brotherson (voice) (2 eps)
Stephen Root
Pop-Pop Porter (voice) (2 eps)
Kath Soucie
Kaitlin (voice) (2 eps)
Brian George
Mystical Monkey Monk (voice) (2 eps)
Lauren Tom
Yoshiko (voice) (2 eps)
Tangi Miller
Editor (voice) (1 eps)
Justin Berfield
Gil Moss (voice) (1 eps)
Peter Bonerz
Rabbi Katz (voice) (1 eps)
Jo Anne Worley
Mrs. Rockwaller (voice) (1 eps)
Fred Willard
Jack Hench (voice) (1 eps)
Enrico Colantoni
Dr. Cyrus Bortel (voice) (1 eps)
Kevin Michael Richardson
Slim Possible / Henchmen (voice) (1 eps)
Breckin Meyer
Josh Wendell Mankey (voice) (1 eps)
Brad Garrett
Big Mike (voice) (1 eps)
Rachel Dratch
Adrena Lynn (voice) (1 eps)
Cree Summer
Additional Voices (voice) (1 eps)
Diedrich Bader
Junior (voice) (1 eps)
Melissa McCarthy
DNAmy (voice) (1 eps)
Earl Boen
Señor Senior Sr. (voice) (1 eps)
Rosslynn Taylor Jordan
Crystal (voice) (1 eps)
Brian Posehn
Cousin Larry (voice) (1 eps)
Frank Welker
Frank (voice) (1 eps)
Russi Taylor
as Rocket Booster #2 (voice) (1 eps)
Felicity Huffman
Dr. Betty Director (voice) (1 eps)
BD Wong
Agent Will Du (voice) (1 eps)
Nicole Sullivan
Shego / Computer Voice (voice) (1 eps)
Kerri Kenney
Computer (voice) (1 eps)
Jean Smart
Dr. Ann Possible / Tutor Woman (voice) (1 eps)
Elliott Gould
Mr. Stoppable (voice) (1 eps)
Andrea Martin
Mrs. Stoppable (voice) (1 eps)
Eddie Deezen
Ned (voice) (1 eps)
Patton Oswalt
Professor Dementor (voice) (1 eps)
Richard Kind
Frugal Lucre (voice) (1 eps)