Knight and Day is a 2010 American action spy romantic comedy film starring Tom Cruise and Cameron Diaz. The film, directed by James Mangold, is Cruise and Diaz's second on-screen collaboration following the 2001 film Vanilla Sky. Diaz plays June Havens, a classic car restorer who unwittingly gets caught up with the eccentric secret agent Roy Miller, played by Cruise, who is on the run from the CIA.