Men in Black is a science fiction action-comedy film directed by Barry Sonnenfeld and starring Will Smith as Agent J, a member of a secret government agency that monitors extraterrestrial activity on Earth. The movie follows Agent J as he teams up with Agent K (Tommy Lee Jones) to protect the Earth from an intergalactic threat. Men in Black was a critical and commercial success, and Will Smith's performance as the charismatic and witty Agent J was widely praised.