The trailer for the Tom Cruise and Cameron Diaz action comedy “Knight and Day” is now online. The embed code doesn’t work for LJ, so you have to click on the source link below to view. Opening on July 2, 2010, “Knight and Day” also stars Peter Saarsgard, Viola Davis, Olivier Martinez, Paul Dano, Maggie Grace and Mark Blucas.

Here’s the official synopsis: “Knight and Day” centers on a lonely woman (Diaz) whose seemingly harmless blind date suddenly turns her life upside-down when a super spy (Cruise) takes her on a violent worldwide journey to protect a powerful battery that holds the key to an infinite power source.

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