Anne Archer
Did you notice that the Anne Archer character, who was dissapointed with her husband for leaving the girl's body in the water and seemed so affected to the point where she went to the girl's funeral, says in the final scene when the news reporter mentions that one person died during the earthquake: "that's really not bad, one person".
Also in the hospital when Jack Lemmon shows her the trick he wants to show to his grandson she reacts very coldly saying that it's not a trick for kids.
I think that this character wanted to think of herself as a sensitive person and reproached her husband for his attitude (remember the scene where she shows him the newspaper and says to him that the girl who died had a name)but in the end she didn't really care, she just didn't want her husband to be an uncaring person. Then she sees on TV that some unknown woman died and she acts like it's nothing. She herself was an uncaring person.
That's the way it crumbles... cookie-wise.