So after being kind of quiet for a couple of years (on-screen anyway) Tom Cruise returns to haunt/illuminate depending upon your preference, the screen in 2010's Knight and Day. Now to be honest there isn't really an awful lot to cover with Knight and Day. Its both enjoyably, and painfully formulaic skirting the line between action, comedy and romance in order to appeal to both boys and girls Knight and Day would be completely forgettable if it were not for its leads; the previously mentioned Cruise and Cameron Diaz. So as already mentioned, the whole thing is really, really formulaic: Cruise is our indestructable hero thats in control of the situation all the time (even when it looks like he isn't), Diaz the audience surrogate/romantic lead who's life is lacking - she doesn't know what but then Cruise turns up and she realises etc. etc. The two leads keep the whole thing afloat really, the chemistry shared between the two keeps the whole thing going (Cruise...