| Name | Character | Episodes |
|---|---|---|
| June Foray | Grandma Howard / Mrs. Seslick (voice) | 21 |
| Ellen Gerstell | Pamela Wells (voice) | 21 |
| James Hampton | Harold Howard (voice) | 21 |
| Jeannie Elias | Lupe Howard / Boof (voice) | 21 |
| Don Most | Stiles (voice) | 21 |
| Townsend Coleman | Scott Howard (voice) | 21 |
| Stacy Keach, Sr. | Grandpa Howard (voice) | 21 |
| Will Ryan | Chubs (voice) | 8 |