Keanu Reeves played Johnny Mnemonic in Johnny Mnemonic in 2002.
Johnny Mnemonic is a 1995 Canadian-American cyberpunk action thriller film directed by Robert Longo in his directorial debut . Keanu Reeves . A recurring character arc in many roles he has portrayed is one of saving the world , as can be seen in the characters of Ted Logan , Buddha , Neo , Johnny Mnemonic , John Constantine , and Klaatu .