Chief of War star Jason Momoa recently revealed that most of the series is in Hawaiian, with English appearing gradually in later episodes. Following the show’s release on Apple TV+, Momoa explained that he and co-creator Thomas Paʻa Sibbett insisted on using ʻŌlelo Hawaiʻi to preserve cultural and historical authenticity,

The 'Game of Thrones' alum co-created and stars in the sweeping, action-packed drama about the unification of Hawaii in the 18th and 19th centuries.

Momoa is one of the creators of the Apple TV+ period series that shines a light on a violent era in Hawaiian history.