Numbuh 1 / Numbuh 2 (voice)
Numbuh 3 (voice)
Numbuh 4 (voice)
Numbuh 5 (voice)
The Common Cold / Flu Bug (voice) / Mr. Wink (voice)
(voice) / Computer (voice)
(voice) / RAMON-4 (voice)
Sydney Beetles / Mr. Boss / Technicians (voice) / Numbuh Jebediah (voice)
Betty Gilligan / Grandma Lydia (voice) / Grandma Lydia (voice)
(voice) / Commander (voice)
Professor XXXL / Defense Array (voice) / Truck Driver (voice)
Mushi Sanban / Numbuh 93 (voice) / Pauley Marcus (voice)
Lizzie / Woman (voice) / Gramma Stuffum (voice)
Father (voice)
Stickybeard / Sumo Wrestler / Pirate (voice) / Stickybeard (voice)
Dr. Lincoln (voice) / Ice Cream Man / Ice Cream Beast (voice)
Eggbert Eggleston (voice) / King Sandy / Knight #2 / Guard #1 (voice)
(voice) / Numbuh 362 (voice)
Ernest "Ernie" / Nick (voice) / Numbuh 74.239 (voice)
Robin Food (voice) / Mr. Mogul / Monkey (voice)
Kani Sanban (voice)
Numbuh 2x4 (voice) / The Kid / Pedestrian (voice)
Tony Clownarelli (voice)
Numbuh 80 (voice)
