Patrick Wilson has been cast to play Aquaman's half-brother Orm - a.k.a. Ocean Master - in DC Films' 2018 Aquaman movie, according to Deadline. Wilson is best known for starring in the Conjuring movie franchise, which was directed by Aquaman's James Wan.
Wilson has been involved with several superhero franchises in the past, even voicing the President of the United States in Batman v Superman: Dawn of Justice. Wilson also played Nite Owl in Watchmen, directed by Batman v Superman's Zack Snyder. In addition to that, the actor was cast in an unspecified role in Marvel Studios' Ant-Man, but left before filming due to delays in that film after the departure of original director Edgar Wright
Aquaman is scheduled to open in theaters October 5, 2018.