Luffy's Fall! The Unexplored Region - Grand Adventure in the Ocean's Navel Details Casts Galleries Posters Title Luffy's Fall! The Unexplored Region - Grand Adventure in the Ocean's Navel Release Date 2000-12-20 Runtime 00 Hours 49 Minutes Genres Animation Action Adventure TV Movie Production Companies Unknown Production Countries Japan Mayumi Tanaka... Monkey D. Luffy (voice)... Kazuya Nakai... Roronoa Zoro (voice)... Akemi Okamura... Nami (voice)... Kappei Yamaguchi... Usopp (voice)... Hiroaki Hirata... Vinsmoke Sanji (voice)... Akio Otsuka... Captain Joke (voice)... Minami Takayama... Hamuu (voice)... Ikue Otani... Meroie (voice)... Original Size (1280x720) Original Size (500x750) Original Size (535x750) Original Size (1600x2400)