Codename: Kids Next Door

Ben Diskin

Numbuh 1 / Numbuh 2 (voice)

Lauren Tom

Numbuh 3 (voice)

Dee Bradley Baker

Numbuh 4 (voice)

Cree Summer

Numbuh 5 (voice)

Tom Kenny

(voice) / Chester (voice) / Chester / President / Robber #1 (voice) / Fake Delightful Child from Down the Lane (voice) / Goof (voice) / Hoagie Gilligan IV (voice) / Knightbrace (voice) / Mr. Jelly / Knightbrace (voice) / Mr. Wink (voice) / Narrator (voice

Daran Norris

(voice) / Count Spankulot / Gooey / Ice Cream Man #2 (voice) / Count Spankulot / Joe Balooka / Spankenstine Monster (voice) / Ed / Guard #1 / Lead Mustache (voice) / Gooey (voice) / Joe Balooka (voice) / Maitre'd Violinist (voice) / Mr. Physically Fitasti

Jennifer Hale

(voice) / Computer (voice) / Dixie / Runt (voice) / Mrs. Beetles (voice) / Mrs. Thompson (voice) / Mrs. Thompson / Robber #3 (voice) / Mrs. Uno (voice) / Numbuh 202 (voice) / Numbuh 86 / Nurse Claiborne / Rainbow Monkey Chorus (voice) / Stacey (voice)

Jeff Bennett

(voice) / Destructo Dad / Mr. Boss / Mr. Fizz (voice) / Hoagie Gilligan Sr. (voice) / Mr. Boss (voice) / Numbuh Jebediah (voice) / Sydney Beetles (voice)

Candi Milo

Betty Gilligan (voice) / Betty Gilligan / Grandma Lydia (voice) / Edna Jucation (voice) / Grandma Lydia (voice) / Henrietta Von Marzipan (voice) / Lasso Lass (voice) / Leaky Leona / Mrs. Goodwall (voice) / Leona (voice) / Madame Margaret (voice) / Miss Go

Frank Welker

Bus Driver (voice) / Professor XXXL (voice) / Rainbow Monkey Kong (voice) / Truck Driver (voice)

Jason Harris

(voice) / Chad Dickson (voice) / Commander (voice) / Numbah 274 (voice)

Grey DeLisle

Crazy Old Cat Lady / Mega Mom (voice) / Grace / Lizzie Devine (voice) / Gramma Stuffum (voice) / Julie (voice) / Laura Limpin (voice) / Lizzie Divine (voice) / Mega Mom / Numbuh 66 (voice)

Mark Hamill

Stickybeard (voice) / Stickybeard / Sumo Wrestler / Pirate (voice)

Rachael MacFarlane

(voice) / Numbuh 362 (voice)

Rob Paulsen

(voice) / Mr. Washer / Chili Dog Vendor (voice) / Robin Food (voice)

Tara Strong

Mushi Sanban (voice) / Mushi Sanban / Numbuh 93 (voice) / Mushi Sanban / Stewie (voice) / Pauley Marcus (voice) / Rainbow Monkey Tribesgirl #3 (voice) / Sally Sanban (voice)

Kevin Michael Richardson

Dr. Lincoln (voice) / Ice Cream Man / Ice Cream Beast (voice)

Maurice LaMarche

Father (voice)

James Arnold Taylor

Eggbert Eggleston (voice) / King Sandy / Knight #2 / Guard #1 (voice)

Dave Wittenberg

Ernest "Ernie" / Nick (voice) / Nick (voice) / Numbuh 74.239 (voice) / Wintergreen (voice)

John DiMaggio

Big Brother (voice)

Carlos Alazraqui

Numbuh 2x4 (voice) / The Kid / Pedestrian (voice)

Keone Young

Kani Sanban (voice)

Tom Kane

Simon (voice)

Josh Peck

Numbuh 50 Million B.C. (voice)

Matt Levin

Hooves (voice)

Roger Rose

Little Juan (voice)

Jess Harnell

Tony Clownarelli (voice)

Roger L. Jackson

Bonko (voice)

Jason Marsden

Numbuh 80 (voice)

Hynden Walch

Numbuh Rebecca (voice)