Chalamet has been cast in the lead role as Paul Atreides and, should the deal get done, Oscar Isaac will play his father, Duke Leto Atreides.
Oscar Isaac is the latest big-name star to board the upcoming Dune remake.
According to several reports, Oscar Isaac is officially in talks to join Dune, which is set to be directed by Arrival and Blade Runner 2049 filmmaker Denis Villeneuve.
For those who may not be familiar, Dune, initially published in 1965, centers on a sprawling feudal interstellar empire in the distant future.