Dune 3: Jason Momoa Reacts to Son Making His Acting Debut (Exclusive)

Jason Momoa chats with ET's Cassie DiLaura at the premiere of 'Chief of War,' streaming Aug. 1 on AppleTV+. The actor gushes over his children and girlfriend Adria Arjorna joining him on the red carpet. Jason also opens up about how meaningful the project, which takes place in his home state of Hawaii. And Jason reacts to his son, Nakoa-Wolf, making his film debut in 'Dune 3.'