Series Cast 25

1. 

   Curtis Armstrong

   Robot DeFault / Marf (voice) (50 Episodes)

2. 

   Harland Williams

   Monster Krumholtz (voice) (50 Episodes)

3. 

   Maurice LaMarche

   Gart / Perry / Loudmouth (voice) (50 Episodes)

4. 

   Jonathan Slavin

   Ogo (voice) (50 Episodes)

5. 

   Megan Hilty

   J.D. (voice) (50 Episodes)

6. 

   Cree Summer

   Spitfire / Globitha (voice) (50 Episodes)

7. 

   Rhea Perlman

   Nessie (voice) (50 Episodes)

8. 

   Fred Tatasciore

   Punch Morley (voice) (50 Episodes)

9. 

   Kurtwood Smith

   Mr. Wheelie (voice) (50 Episodes)

10. 

    Ping Wu

    Master Grabmirist (voice) (50 Episodes)

11. 

    Nolan North

    Hal Worth-a-ton / Uncle Kuffley / Crikey (voice) (50 Episodes)

12. 

    Jeff Bennett

    Snap Winsome (voice) (3 Episodes), Snap Winsome / Lil' Lugnuts (voice) (3 Episodes), Marf (speaking) / Snap Winsome (voice) (1 Episode)

13. 

    April Winchell

    Arpa / Grandma 10010 (voice) (4 Episodes)

14. 

    Jennifer Cody

    Lucy (voice) (3 Episodes)

15. 

    Alan Tudyk

    Crazy Cousin Gizmo (voice) (2 Episodes)

16. 

    Bill Fagerbakke

    Lev (voice) (2 Episodes)

17. 

    Ruth Williamson

    Dame Lady Madame (voice) (1 Episode)

18. 

    Jon Polito

    Sir Cranklin (voice) (1 Episode)

19. 

    Rob Paulsen

    Bob / Scale (voice) (1 Episode)

20. 

    Jeffrey Tambor

    St. Crispy (voice) (1 Episode)

21. 

    Leon G. Thomas III

    Monster's Singing Voice (voice) (1 Episode)

22. 

    Kari Wahlgren

    Robo Ono (voice) (1 Episode)

23. 

    Greg Cipes

    Vapid Milquetoast (voice) (1 Episode)

24. 

    Harriet Sansom Harris

    Bea Holder (voice) (1 Episode)

25. 

    Adam Wylie

    Fuzzy Slippers (voice) (1 Episode)

Series Crew 35