For those of you asking about characters and which actors I picture in the roles, here is a visual guide! Let me know what you think of my choices, and who you picture as well! 

Emma Watson as... Eboni

John Patrick Amedori as... Bren

Martin Sensmeier as... Kas

Michael Spears as... Atu

Jennifer Lawrence as... Iasa

Stephan Joffe as... Raus

Sophie Turner as... Kimi

Isalah Mustafa as... Orlan

Alexander Skarsgard... The Commander

Maggie Smith as... High Priestess Elena

Any suggestions for the other characters?