VIDEO : Steven Spielberg's 'Ready Player One' Casts T.J. Miller

Actor T.J. Miller has joined the cast of the upcoming film adaptation of Ernest Cline's Ready Player One. Miller currently stars on HBO's acclaimed Silicon Valley, and also appeared in the hit Marvel movie Deadpool. The actor joins a talented cast that includes Tye Sheridan, Simon Pegg and Ben Mendelsohn. The movie, which will be directed by Steven Spielberg, is expected to start shooting in early June.