| Name | Character | Episodes |
|---|---|---|
| Greg Cipes | Beast Boy (voice) | 10 |
| Bentley Kalu | Detective Furst (voice) | 3 |
| Danielle Vitalis | Detective Young (voice) | 3 |
| Glenn Wrage | Commissioner Wolfman (voice) | 2 |
| Glenn Wrage | Benny the Rat / Rats (voice) | 2 |
| Rasmus Hardiker | Addy / Old Man (voice) | 1 |
| Rasmus Hardiker | Tadpole (voice) | 1 |
| Rasmus Hardiker | Henchmen (voice) | 1 |
| Glenn Wrage | Morto (voice) | 1 |