| Name | Character | Episodes |
|---|---|---|
| Michael McKean | Louie (voice) | 52 |
| Laraine Newman | Madame Butterfly / Cactus Polly (voice) | 52 |
| Richard Kind | Pongo (voice) | 52 |
| Debi Derryberry | Weenie / Catrina (voice) | 52 |
| Fred Savage | Oswald (voice) | 52 |
| Daran Norris | Egbert (voice) | 52 |
| Fred Stoller | Steve (voice) | 52 |
| Eddie Deezen | Andy (voice) | 52 |
| Mac Davis | Bingo (voice) | 52 |
| Kathy Najimy | Bingette (voice) | 52 |
| David L. Lander | Henry (voice) | 52 |
| Crystal Scales | Daisy (voice) | 52 |
| Tony Orlando | Sammy Starfish (voice) | 52 |
| Mel Winkler | Johnny (voice) | 52 |
| J. Grant Albrecht | Leo (voice) | 52 |