Discover
Original Release
11/15/2003
Cast
| Name | Character |
|---|
| Spencer Klein | Arnold (voice) |
| Jamil Walker Smith | Gerald Johanssen (voice) |
| Blake Ewing | Eugene Horowitz (voice) |
| Anndi McAfee | Phoebe Heyerdahl (voice) |
| Francesca Marie Smith | Helga Pataki (voice) |
| Justin Shenkarow | Harold Berman (voice) |
| Dan Castellaneta | Grandpa Phil (voice) |
Writers
Cast
| Name | Character |
|---|
| Spencer Klein | Arnold (voice) |
| Jamil Walker Smith | Gerald Johanssen (voice) |
| Blake Ewing | Eugene Horowitz (voice) |
| Anndi McAfee | Phoebe Heyerdahl (voice) |
| Francesca Marie Smith | Helga Pataki (voice) |
| Justin Shenkarow | Harold Berman (voice) |
| Dan Castellaneta | Grandpa Phil (voice) |
