Astro Boy and the Earth kids encounter Junkyard Pirates while looking for scraps in the junkyard.
| Actor | Role |
|---|---|
 Madeline CarrollWidget (voice) | Widget (voice) |
 Freddie HighmoreAstro Boy (voice) | Astro Boy (voice) |
 Kristen BellCora (voice) | Cora (voice) |
 Moisés AriasZane (voice) | Zane (voice) |
 Alan TudykRonnie (voice) | Ronnie (voice) |
 Dee Bradley BakerTrashcan (voice) | Trashcan (voice) |
 Sterling BeaumonSludge (voice) | Sludge (voice) |
 David FeissTesto (voice) | Testo (voice) |