Numbuh 1 / Numbuh 2 (voice) (139 episodes)
Numbuh 3 (voice) (139 episodes)
Numbuh 4 (voice) (139 episodes)
Numbuh 5 (voice) (139 episodes)
(voice) (9 episodes)
Chester (voice) (2 episodes)
Goof (voice) (1 episode)
Knightbrace (voice) (1 episode)
Chester / President / Robber #1 (voice) (1 episode)
Numbuh 30c (voice) (1 episode)
Narrator (voice) (1 episode)
Mr. Jelly / Knightbrace (voice) (1 episode)
Mr. Wink (voice) (1 episode)
Numbuh 42 / Numbuh Ezekiel (voice) (1 episode)
Twin Boy / Vicious Dog (voice) (1 episode)
Hoagie Gilligan IV (voice) (1 episode)
Fake Delightful Child from Down the Lane (voice) (1 episode)
Numbuh 30C (voice) (1 episode)
(voice) (10 episodes)
RAMON-4 (voice) (1 episode)
Mr. Physically Fitastic / The Human Text (voice) (1 episode)
Joe Balooka (voice) (1 episode)
Maitre'd Violinist (voice) (1 episode)
Count Spankulot / Gooey / Ice Cream Man #2 (voice) (1 episode)
Count Spankulot / Joe Balooka / Spankenstine Monster (voice) (1 episode)
Gooey (voice) (1 episode)
Ed / Guard #1 / Lead Mustache (voice) (1 episode)
Monty Uno / Count Spankulot / Sargent Sensible (voice) (1 episode)
(voice) (7 episodes)
Computer (voice) (2 episodes)
Mrs. Beetles (voice) (2 episodes)
Mrs. Thompson (voice) (1 episode)
Mrs. Uno (voice) (1 episode)
Mrs. Uno / Major Mrs. Manners (voice) (1 episode)
Mrs. Thompson / Robber #3 (voice) (1 episode)
Dixie / Runt (voice) (1 episode)
Stacey (voice) (1 episode)
Numbuh 202 (voice) (1 episode)
Numbuh 86 / Nurse Claiborne / Rainbow Monkey Chorus (voice) (1 episode)
(voice) (10 episodes)
Destructo Dad / Mr. Boss / Mr. Fizz (voice) (1 episode)
Dr. Teef (voice) (1 episode)
Numbuh Jebediah (voice) (1 episode)
Hoagie Gilligan Sr. (voice) (1 episode)
Mr. Boss (voice) (1 episode)
Sydney Beetles (voice) (1 episode)
Betty Gilligan / Grandma Lydia (voice) (3 episodes)
Grandma Lydia (voice) (2 episodes)
Lasso Lass (voice) (2 episodes)
Henrietta Von Marzipan (voice) (1 episode)
Leaky Leona / Mrs. Goodwall (voice) (1 episode)
Betty Gilligan (voice) (1 episode)
Edna Jucation (voice) (1 episode)
Leona (voice) (1 episode)
Nurse Jumbo (voice) (1 episode)
Madame Margaret (voice) (1 episode)
Professor XXXL (voice) (5 episodes)
Truck Driver (voice) (2 episodes)
Bus Driver (voice) (1 episode)
Rainbow Monkey Kong (voice) (1 episode)
(voice) (5 episodes)
Commander (voice) (2 episodes)
Numbah 274 (voice) (1 episode)
Chad Dickson (voice) (1 episode)
Father (voice) (4 episodes)
Mega Mom / Numbuh 66 (voice) (1 episode)
Crazy Old Cat Lady / Mega Mom (voice) (1 episode)
Lizzie Divine (voice) (1 episode)
Laura Limpin (voice) (1 episode)
Grace / Lizzie Devine (voice) (1 episode)
Julie (voice) (1 episode)
Gramma Stuffum (voice) (1 episode)
Stickybeard / Sumo Wrestler / Pirate (voice) (5 episodes)
Stickybeard (voice) (1 episode)
Eggbert Eggleston (voice) (3 episodes)
King Sandy / Knight #2 / Guard #1 (voice) (1 episode)
Nick (voice) (1 episode)
Numbuh 74.239 (voice) (1 episode)
Ernest "Ernie" / Nick (voice) (1 episode)
Wintergreen (voice) (1 episode)
Mushi Sanban / Numbuh 93 (voice) (1 episode)
Mushi Sanban / Stewie (voice) (1 episode)
Mushi Sanban (voice) (1 episode)
Sally Sanban (voice) (1 episode)
Pauley Marcus (voice) (1 episode)
Rainbow Monkey Tribesgirl #3 (voice) (1 episode)
(voice) (4 episodes)
Numbuh 362 (voice) (1 episode)
Kani Sanban (voice) (2 episodes)
Tony Clownarelli (voice) (1 episode)
Numbuh 80 (voice) (1 episode)
Big Brother (voice) (1 episode)
Simon (voice) (1 episode)
Numbuh 50 Million B.C. (voice) (1 episode)
Hooves (voice) (1 episode)
Little Juan (voice) (1 episode)
Bonko (voice) (1 episode)
Numbuh Rebecca (voice) (1 episode)
Animation (1 episode)
Writer (139 episodes)
Music (139 episodes)
Music (139 episodes)
Animation Supervisor (25 episodes)
Animation Manager (23 episodes)
Writer (95 episodes)
Writer (42 episodes)
Storyboard (37 episodes)
Writer (1 episode)
Storyboard (36 episodes)
Storyboard (34 episodes)
Storyboard (33 episodes)
Storyboard (33 episodes)
Storyboard (32 episodes)
Writer (1 episode)
Storyboard (29 episodes)
Storyboard (25 episodes)
Storyboard (21 episodes)
Writer (1 episode)
Writer (11 episodes)
Storyboard (11 episodes)
Writer (3 episodes)
Storyboard (2 episodes)
Writer (2 episodes)
Storyboard (2 episodes)
Storyboard (1 episode)
Storyboard (1 episode)
Writer (1 episode)
Writer (1 episode)
Writer (1 episode)
Writer (1 episode)
Storyboard (1 episode)
Writer (1 episode)
Writer (1 episode)
Writer (1 episode)
Writer (1 episode)
Storyboard (1 episode)
Storyboard (1 episode)