Jason Momoa marked his 46th birthday by celebrating the premiere of Chief of War while filming Dune: Part Three.

"My month has been like bang, bang, bang, bang. The comedown is going to be brutal," the star tells PEOPLE of his busy July ...

At the start of Chief of War, Ka’iana is living in exile with his family, including his half-brothers Namake and Nahi, his wife Kupuohi, and his sister-in-law Heke. Soon, he becomes the first chief to ...