Cast 18

1. 

   Phillip Van Dyke

   Arnold (voice)

2. 

   Jamil Walker Smith

   Gerald Johanssen (voice)

3. 

   Francesca Marie Smith

   Helga Pataki (voice)

4. 

   Anndi McAfee

   Phoebe Heyerdahl (voice)

5. 

   Justin Shenkarow

   Harold Berman (voice)

6. Christopher Walberg

   Stinky Petersen (voice)

7. 

   Adam Wylie

   Curly Gammelthorpe (voice)

8. Steve Viksten

   Oskar Kokoshka / Smitty (voice)

9. 

   Mary Scheer

   Suzie Kokoshka (voice)

10. 

    Dom Irrera

    Ernie Potts (voice)

11. 

    Baoan Coleman

    Mr. Hyunh (voice)

12. 

    Lou Rawls

    Harvey (voice)

13. 

    Maurice LaMarche

    Douglas Cain / Big Bob Pataki (voice)

14. 

    Dan Castellaneta

    Grandpa Phil / Additional Voices (voice)

15. 

    Tress MacNeille

    Arnold's Grandma (voice)

16. 

    Kath Soucie

    Miriam Pataki (voice)

17. 

    David Wohl

    Principal Wartz (voice)

18. 

    James Keane

    Marty Green / EBN Announcer (voice)

Crew 12