Popsugar Entertainment Movies Dune Movie Cast The Cast of Dune Has Us Wondering Who ISN'T Going to Be in the Film 2 February 2019 by Brea Cubit View On One Page Photo 3 of 5 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 3 Charlotte Rampling as Reverend Mother Mohiam Rampling's character will test the mental and physical will of Paul as he prepares to fulfil his mission. Previous Next Start Slideshow MoviesDune