- Mayumi Tanaka (Monkey D. Luffy (voice))
- Kazuya Nakai (Roronoa Zoro (voice))
- Mari Yaguchi (Yoko (voice))
- Akemi Okamura (Nami (voice))
- Kappei Yamaguchi (Usopp (voice))
- Hiroaki Hirata (Sanji (voice))
- Ikue Otani (Tony Tony Chopper (voice))
- Yuriko Yamaguchi (Nico Robin (voice))
- Kazuki Yao (Franky (voice))
- Katsuhisa Houki (Jinbe (voice))
- Cho (Brook (voice))
- Hideyuki Tanaka (Donquixote Doflamingo (voice))
One Piece — S15E591
Episode: Chopper's Fury! The Master's Inhumane Experiment!
Air Date: 2013-04-14
Runtime: 24 min
Overview
The giant children fly into a mysterious rage, and Chopper discovers the true reason for their unusual condition! Meanwhile, Zoro, Brook, and Sanji cross paths with a dangerous duo!