Series Cast 40

1. 

   Ben Diskin

   Numbuh 1 / Numbuh 2 (voice) (139 Episodes)

2. 

   Lauren Tom

   Numbuh 3 (voice) (139 Episodes)

3. 

   Dee Bradley Baker

   Numbuh 4 (voice) (139 Episodes)

4. 

   Cree Summer

   Numbuh 5 (voice) (139 Episodes)

5. 

   Tom Kenny

   (voice) (9 Episodes), Chester (voice) (2 Episodes), Narrator (voice) (1 Episode), Goof (voice) (1 Episode), Mr. Jelly / Knightbrace (voice) (1 Episode), Twin Boy / Vicious Dog (voice) (1 Episode), Chester / President / Robber #1 (voice) (1 Episode), Numbuh 30c (voice) (1 Episode), Hoagie Gilligan IV (voice) (1 Episode), Numbuh 30C (voice) (1 Episode), Fake Delightful Child from Down the Lane (voice) (1 Episode), Knightbrace (voice) (1 Episode), Numbuh 42 / Numbuh Ezekiel (voice) (1 Episode), Mr. Wink (voice) (1 Episode)

6. 

   Daran Norris

   (voice) (11 Episodes), Ed / Guard #1 / Lead Mustache (voice) (1 Episode), Gooey (voice) (1 Episode), Count Spankulot / Joe Balooka / Spankenstine Monster (voice) (1 Episode), Count Spankulot / Gooey / Ice Cream Man #2 (voice) (1 Episode), Joe Balooka (voice) (1 Episode), Mr. Physically Fitastic / The Human Text (voice) (1 Episode), Maitre'd Violinist (voice) (1 Episode), RAMON-4 (voice) (1 Episode)

7. 

   Jennifer Hale

   (voice) (8 Episodes), Mrs. Beetles (voice) (2 Episodes), Stacey (voice) (1 Episode), Mrs. Thompson / Robber #3 (voice) (1 Episode), Computer (voice) (1 Episode), Numbuh 86 / Nurse Claiborne / Rainbow Monkey Chorus (voice) (1 Episode), Mrs. Thompson (voice) (1 Episode), Dixie / Runt (voice) (1 Episode), Mrs. Uno (voice) (1 Episode), Numbuh 202 (voice) (1 Episode)

8. 

   Jeff Bennett

   (voice) (10 Episodes), Sydney Beetles (voice) (1 Episode), Numbuh Jebediah (voice) (1 Episode), Destructo Dad / Mr. Boss / Mr. Fizz (voice) (1 Episode), Hoagie Gilligan Sr. (voice) (1 Episode), Mr. Boss (voice) (1 Episode)

9. 

   Candi Milo

   Betty Gilligan / Grandma Lydia (voice) (3 Episodes), Lasso Lass (voice) (2 Episodes), Grandma Lydia (voice) (2 Episodes), Madame Margaret (voice) (1 Episode), Betty Gilligan (voice) (1 Episode), Leaky Leona / Mrs. Goodwall (voice) (1 Episode), Henrietta Von Marzipan (voice) (1 Episode), Edna Jucation (voice) (1 Episode), Nurse Jumbo (voice) (1 Episode), Leona (voice) (1 Episode)

10. 

    Frank Welker

    Professor XXXL (voice) (5 Episodes), Truck Driver (voice) (2 Episodes), Rainbow Monkey Kong (voice) (1 Episode), Bus Driver (voice) (1 Episode)

11. 

    Jason Harris

    (voice) (5 Episodes), Commander (voice) (2 Episodes), Chad Dickson (voice) (1 Episode), Numbah 274 (voice) (1 Episode)

12. 

    Maurice LaMarche

    Father (voice) (4 Episodes), — (3 Episodes)

13. 

    Grey DeLisle

    Lizzie Divine (voice) (1 Episode), Mega Mom / Numbuh 66 (voice) (1 Episode), Laura Limpin (voice) (1 Episode), Grace / Lizzie Devine (voice) (1 Episode), Gramma Stuffum (voice) (1 Episode), Crazy Old Cat Lady / Mega Mom (voice) (1 Episode), Julie (voice) (1 Episode)

14. 

    Mark Hamill

    Stickybeard / Sumo Wrestler / Pirate (voice) (5 Episodes), Stickybeard (voice) (1 Episode)

15. 

    Kevin Michael Richardson

    — (3 Episodes), Dr. Lincoln (voice) (2 Episodes), Ice Cream Man / Ice Cream Beast (voice) (1 Episode)

16. 

    James Arnold Taylor

    Eggbert Eggleston (voice) (3 Episodes), — (2 Episodes), King Sandy / Knight #2 / Guard #1 (voice) (1 Episode)

17. 

    Dave Wittenberg

    — (2 Episodes), Numbuh 74.239 (voice) (1 Episode), Wintergreen (voice) (1 Episode), Ernest "Ernie" / Nick (voice) (1 Episode), Nick (voice) (1 Episode)

18. 

    Tara Strong

    Rainbow Monkey Tribesgirl #3 (voice) (1 Episode), Mushi Sanban / Stewie (voice) (1 Episode), Mushi Sanban (voice) (1 Episode), Sally Sanban (voice) (1 Episode), Mushi Sanban / Numbuh 93 (voice) (1 Episode), Pauley Marcus (voice) (1 Episode)

19. 

    Rob Paulsen

    (voice) (3 Episodes), Mr. Washer / Chili Dog Vendor (voice) (1 Episode), Robin Food (voice) (1 Episode)

20. 

    Rachael MacFarlane

    (voice) (4 Episodes), Numbuh 362 (voice) (1 Episode)

21. 

    Keone Young

    Kani Sanban (voice) (2 Episodes), — (1 Episode)

22. 

    Carlos Alazraqui

    Numbuh 2x4 (voice) (1 Episode), — (1 Episode), The Kid / Pedestrian (voice) (1 Episode)

23. 

    Jess Harnell

    Tony Clownarelli (voice) (1 Episode), — (1 Episode)

24. 

    Jason Marsden

    — (1 Episode), Numbuh 80 (voice) (1 Episode)

25. 

    Billy West

    — (1 Episode)

26. 

    Richard Steven Horvitz

    — (1 Episode)

27. 

    John DiMaggio

    Big Brother (voice) (1 Episode)

28. 

    Brian Tochi

    — (1 Episode)

29. 

    Greg Cipes

    — (1 Episode)

30. 

    Charlie Schlatter

    — (1 Episode)

31. 

    Eddie Deezen

    — (1 Episode)

32. 

    Jill Talley

    — (1 Episode)

33. 

    Tom Kane

    Simon (voice) (1 Episode)

34. 

    Khary Payton

    — (1 Episode)

35. 

    Gregg Berger

    — (1 Episode)

36. 

    Josh Peck

    Numbuh 50 Million B.C. (voice) (1 Episode)

37. 

    Matt Levin

    Hooves (voice) (1 Episode)

38. 

    Roger Rose

    Little Juan (voice) (1 Episode)

39. 

    Roger L. Jackson

    Bonko (voice) (1 Episode)

40. 

    Hynden Walch

    Numbuh Rebecca (voice) (1 Episode)

Series Crew 38