Movie Trilogy

If you were going to make a new cinema movie trilogy of the first 3 books then who would you cast for the roles???.

I have some here:

-.Duncan Idaho: Paul Johansson.
-.Stilgar: Craig Sheffer.
-.Paul Atreides: Alec Newman.
-.Lady Jessica Atreides: Moira Kelly.
-.Duke Leto Atreides: Liam Neeson.
-.Gurney Halleck: Gerard Butler.
-.Young Alia: Dakota Fanning.
-.Adult Alia: Lena Headey.
-.Leto Atreides 2: James McAvoy.
-.Ghanima Atreides:Jessica Brooks.
-.Baron Vladimir Harkonnen: Ian McNeice.
-.Feyd Rautha: Vincent Cassel.
-.Emperor Shaddam Corrino 4: Giancarlo Giannini.
-.Princess Irulan Corrino-Atreides: Julie Cox.
-.Princess Wensicia Corrino: Sharon Stone.
-.Tyekanik: Robert Davi.
-.Reverent Mother Mohiam: Miranda Richardson.
-.Scytale: Cillian Murphy.
-.Bijaz: Warwick Davis.
-.Edric: Bruce Spence.
-.Javid: Dominic West.
-.Korba: Oded Fehr.
-.Chani: Monica Bellucci.
-.Otheym: David Wenham.


Roles that i can't cast yet are:

-.Liet/Dr. Pardot Kynes: ?? (Don't know yet).
-.Lichna: ??. (Don't know yet).
-.Spacing Guild Agent: ?? (Don't know yet).
-.Count Hasimir Fenring: ?? (Don't know yet).
-.Glossu Rabban: ?? (Don't know yet).
-.Piter De Vries: ?? (Don't know yet).

And these:

-.Palimbasha.
-.Assan Tariq.
-.Muriz.
-.Namri.
-.Buer Argaves.
-.Esmar Tuek.
-.Staban Tuek.
-.Raija.
-.Sabiha.
-.Farok.
-.Farok's Son.
-.Farok's Wife.
-.Otheym's Wife.
-.Jamis.
-.Harah.
-.Jamis' Son.
-.Geoff.
-.Geoff's Son.