Momoa has already shown a lot of promise in his limited screen time on Game of Thrones, but Aquaman will represent his first chance to expand upon his cameo appearance in Batman V Superman: Dawn of Justice. That Momoa is going to be reflecting his own real-life experiences in Arthur Curry/Aquaman’s struggle to fit in between two different worlds can only mean good things for his performance.
As magnetic as Momoa’s presence may be in the leading role, the writing of Momoa as Arthur Curry/Aquaman will still need to be top-notch to really drive the performance home. No actor can save a weak script, but Momoa is already at an advantage with his own experience as an outsider while growing up traveling between Hawaii and Iowa. The makers of Aquaman can at least be assured that the movie will have a committed, believable performance from its star.