Codename: Kids Next Door

Ben Diskin

Numbuh 1 (voice) / 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) / Hoagie Gilligan IV (voice) / Numbuh 30C (voice) / Twin Boy / Vicious Dog (voice)

Daran Norris

(voice) / Ed / Guard #1 / Lead Mustache (voice) / Joe Balooka (voice) / Maitre'd Violinist (voice)

Jeff Bennett

(voice) / Mr. Boss (voice)

Jennifer Hale

(voice) / Computer (voice) / Mrs. Thompson / Robber #3 (voice) / Numbuh 86 / Nurse Claiborne / Rainbow Monkey Chorus (voice)

Frank Welker

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

Jason Harris

(voice) / Commander (voice) / Numbah 274 (voice)

Candi Milo

Lasso Lass (voice) / Madame Margaret (voice) / Miss Goodwall / Lady (voice)

Mark Hamill

Stickybeard / Sumo Wrestler / Pirate (voice)

Rob Paulsen

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

Grey DeLisle

Julie (voice) / Laura Limpin (voice) / Lizzie Divine (voice) / Mega Mom / Numbuh 66 (voice)

Rachael MacFarlane

(voice)

Tara Strong

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

John DiMaggio

Big Brother (voice)

Tom Kane

Simon (voice)

Kevin Michael Richardson

Ice Cream Man / Ice Cream Beast (voice)

Josh Peck

Numbuh 50 Million B.C. (voice)

Maurice LaMarche

Father (voice)

James Arnold Taylor

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

Carlos Alazraqui

The Kid / Pedestrian (voice)