Season Regulars 5

1. 

   Phillip Van Dyke

   Arnold (voice)

2. 

   Francesca Marie Smith

   Helga Pataki (voice)

3. 

   Jamil Walker Smith

   Gerald Johanssen (voice)

4. 

   Anndi McAfee

   Phoebe Heyerdahl (voice)

5. 

   Justin Shenkarow

   Harold Berman(voice)

Guest Stars 14

1. 

   Dan Castellaneta

   Grandpa Phil (voice)

2. Christopher Walberg

   Stinky Peterson (voice)

3. 

   Dom Irrera

   Ernie Potts (voice)

4. 

   Tress MacNeille

   Grandma Gertie (voice)

5. 

   Lou Rawls

   Harvey (voice)

6. 

   Baoan Coleman

   Mr. Hyunh (voice)

7. 

   Mary Scheer

   Suzie Kokoshka (voice)

8. 

   Kath Soucie

   Miriam Pataki (voice)

9. 

   Adam Wylie

   Curly Gammelthorpe (voice)

10. 

    David Wohl

    Principal Wartz (voice)

11. Steve Viksten

    Oskar Kokoshka / Smitty (voice)

12. 

    Maurice LaMarche

    Big Bob Pataki / Douglas Cain (voice)

13. 

    James Keane

    Mr. Green / EBN Announcer (voice)

14. 

    Craig Bartlett

    Monkeyman (voice; uncredited)

Crew 5