在书中，Arnon Milchan表示，原本女主角的人选并不是安吉丽娜·茱莉，而是妮可·基德曼。但是布拉德却嫌两人之间没有火花。而女主角换成了安吉丽娜·茱莉之后，皮特就立刻但应出演该片。Arnon Milchan认为，这可以说明皮特在出演之前就已经对茱莉产生了好感。
Jennifer Aniston ordered Brad Pitt to leave their Beverly Hills home after he admitted that he was in love with Angelina Jolie, according to a sensational new book.
Arnon Milchan, who produced Mr and Mrs Smith, makes the revelation in a book about his life as a producer and businessman tied to the arms trade, which is entitled Confidential: The Life of Secret Agent Turned Hollywood Tycoon.
He recalls how he originally cast Pitt and Nicole Kidman as the married spy couple in his film but that Brad pulled out of the project due to a lack of chemistry between himself and the flame-haired Australian.
Milchan also insists that Pitt was already infatuated with Jolie as immediately after he cast Angelina as the female lead, Brad called him to say he was happy to play Mr to her Mrs.