While at this time no one from the cast has been announced for the series, the Netflix account for the adaptation, which is being overseen by manga creator Eiichiro Oda himself, responded to a fans request to keep the cast diverse.
He also runs a YouTube channel about Japan stuff called TheDoctorDazza, tweets at @DoctorDazza, and posts photos of his travels on Instagram.
Seeing which countries each of the pirates come from, who do you think will play each character?