Reacher is a character who has more or less resigned from the human race. He is not greedy, avaricious, or ambitious. He was a military policeman at one time so he's been there and done that. He dislikes evil and fights it.
But just before she left the press room, she turned and touched the massive Van Cleef & Arpels necklace blazing around her neck. "Oh, and in case you're wondering, this is mine." And that, baby, was a star.
The movie, based on the character created by author Lee Child, had its share of controversy when Cruise was cast. (Mostly that he wasn't tall enough, didn't have the right build or the required alone-on-the-road toughness.)