<Tr> <Th> Screenplay by </Th> <Td> <Ul> <Li> Zak Penn </Li> <Li> Ernest Cline </Li> </Ul> </Td> </Tr> <Ul> <Li> Zak Penn </Li> <Li> Ernest Cline </Li> </Ul> <Tr> <Th> Based on </Th> <Td> Ready Player One by Ernest Cline </Td> </Tr> <Tr> <Th> Starring </Th> <Td> <Ul> <Li> Tye Sheridan </Li> <Li> Olivia Cooke </Li> <Li> Ben Mendelsohn </Li> <Li> T.J. Miller </Li> <Li> Simon Pegg </Li> <Li> Mark Rylance </Li> </Ul> </Td> </Tr>

Who plays the robot in ready player one