As the film was shot out of sequence, John Carpenter created a fear meter so that Jamie Lee Curtis would know what level of terror she should be exhibiting.
“Everywhere can be home and everywhere is not really home and you have to deal with loneliness and alienation. I’m old enough to realize that eventually you have to deal with loneliness, anyway. I’m happily married, I love my children, but eventually you have to deal with yourself. I trust the elusive world created by movies more than anything else. I’m very happy when I’m making a movie.”