Halloween is an upcoming American slasher film directed by David Gordon Green and written by Green, Jeff Fradley, and Danny McBride. It is the eleventh installment in the Halloween franchise, and is a direct sequel to Halloween, while disregarding the continuity of the previous sequels. Series co-creator John Carpenter serves as a composer, executive producer and creative consultant for the film while Jason Blum produces through Blumhouse. Jamie Lee Curtis and Nick Castle reprise their roles as Laurie Strode and Michael Myers, respectively, with stuntman James Jude Courtney also portraying Michael. The film also stars Judy Greer, Andi Matichak, Will Patton, and Virginia Gardner.

Based on this passage, who's playing michael myers in halloween 2018? Let's think fast. Stream of consciousness:
The relevant information to answer the above question is: Jamie Lee Curtis and Nick Castle reprise their roles as Laurie Strode and Michael Myers, respectively, with stuntman James Jude Courtney also portraying Michael. So the final answer is Nick Castle.