- The film is the second collaboration between Tom Cruise and Cameron Diaz following the 2001 Vanilla Sky.
- The film is the first screenplay written by screenwriter Patrick O’Neill.
- The experienced secret agent played by Tom Cruise alone confronted 12 brawny men with weapons on the 727 plane. The seat back, oxygen mask, wine glasses, curtains, cabin doors, seat belts, etc., were all in him. The hands have become deadly weapons.
- During the filming of the film, due to the undecided title and confidentiality, the crew used the name "Zephyr".
- Before Tom Cruise decided to play the leading role, Chris Tucker, Adam Sandler and Gerald Butler were all considered by the producers.
- In the original plan, the film was directed by Tom Day, starring Chris Tucker and Eva Mendes, but the combination did not take shape in the end.
- After 30 days of intensive physical training, Tom Cruise used a total of about 75 moves in the action scene.
Knight and Day behind the scenes gags
2021-11-11 08:01
Extended Reading
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Roy Miller: [speaking to June] By the way, your timing on the door... sublime...
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June Havens: [whispering to Rodney] He's the guy!
Rodney: [addressing Milner] I'm sorry. Who are you again?
June Havens: [whispering to Rodney louder] He's the guy!
Roy Miller: I'm the guy.
Rodney: You're the guy?
Roy Miller: I'm the guy!