<Ul> <Li> Tye Sheridan as Parzival / Wade Watts , a Gunter who wishes to win so he can leave the stacks . </Li> <Li> Olivia Cooke as Art3mis / Samantha Cook , a well - known Gunter 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 CEO of Innovative Online Industries who seeks full control over the OASIS . </Li> <Li> Lena Waithe as Aech / Helen Harris , a Gunter and long - time friend of Wade 's who works as a mechanic in the OASIS . </Li> <Li> T.J. Miller as i - R0k , a freelance dealer and mercenary often employed by IOI . </Li> <Li> Simon Pegg as Curator / Ogden Morrow , a co-creator of the OASIS , who eventually left the company . He is concerned about how many people have developed an unhealthy dependency on the game . </Li> <Li> Mark Rylance as Anorak / James Halliday , the deceased co-creator of the OASIS who reveals an Easter Egg hidden in the OASIS after his passing that grants control over the OASIS to its winner . </Li> <Li> Philip Zhao as Sho / Zhou , a Gunter and one of the `` High Five '' . </Li> <Li> Win Morisaki as Daito / Toshiro , a Gunter and one of the `` High Five '' . </Li> <Li> Hannah John - Kamen as F'Nale Zandor , IOI 's head of operations in the physical world and for their indentured servant programs . </Li> </Ul>
<Ul> <Li> Tye Sheridan as Parzival / Wade Watts , a Gunter who wishes to win so he can leave the stacks . </Li> <Li> Olivia Cooke as Art3mis / Samantha Cook , a well - known Gunter 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 CEO of Innovative Online Industries who seeks full control over the OASIS . </Li> <Li> Lena Waithe as Aech / Helen Harris , a Gunter and long - time friend of Wade 's who works as a mechanic in the OASIS . </Li> <Li> T.J. Miller as i - R0k , a freelance dealer and mercenary often employed by IOI . </Li> <Li> Simon Pegg as Curator / Ogden Morrow , a co-creator of the OASIS , who eventually left the company . He is concerned about how many people have developed an unhealthy dependency on the game . </Li> <Li> Mark Rylance as Anorak / James Halliday , the deceased co-creator of the OASIS who reveals an Easter Egg hidden in the OASIS after his passing that grants control over the OASIS to its winner . </Li> <Li> Philip Zhao as Sho / Zhou , a Gunter and one of the `` High Five '' . </Li> <Li> Win Morisaki as Daito / Toshiro , a Gunter and one of the `` High Five '' . </Li> <Li> Hannah John - Kamen as F'Nale Zandor , IOI 's head of operations in the physical world and for their indentured servant programs . </Li> </Ul>
who plays the character irok in ready player one
who plays the character irok in ready player one
T.J. Miller
T.J. Miller