Jack Black Joins Jason Momoa in Minecraft Movie Cast || Short Newsbr br Jack Black is set to join the cast of the upcoming Minecraft movie led by Jason Momoa. The plot details remain a secret, and writing credits are still in the works. Black will be playing the role of Steve. The film, based on the popular video game from MojangMicrosoft, is a collaboration between Warner Bros, Vertigo, Legendary, and Momoa's On the Roam. Minecraft is the bestselling video game globally, with 300 million copies sold and nearly 140 million monthly active players.