<Li> Olivia Cooke as Art3mis / Samantha Cook, a famous Gunter and one of the "High Five", who works with various allies to ensure the OASIS is kept free and out of the hands of IOI . </Li> <Li> Ben Mendelsohn as Nolan Sorrento, the recently appointed CEO of Innovative Online Industries, who seeks full control over the OASIS . He leads the Sixers, an army of indentured servants in the OASIS . </Li> <Li> Lena Waithe as Aech / Helen Harris, a Gunter and one of the "High Five", who is male in the OASIS and longtime friend of Wade's . Aech runs a virtual garage in her free time to create and fix various vehicles and items . </Li> <Li> T.J. Miller as i - R0k, a freelance weapons and magic item dealer and bounty hunter, who is often employed by IOI . </Li>

Who is playing aech in ready player one