"I thought, "Oh, my god, that's what happens every time I talk with a journalist in the middle of shooting and I talk about my character. I describe him, I objectify him, and I kill him." So, I've never spoken with a journalist in the middle of a film. I don't do the EPK until the very end of a film. I can't talk about Kiefer's process, but what he brings to the table is beautiful."

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We actually needed the memory - if you see the film - as a very different kind of a plot device of revealing some information to our main character. So we chose to represent it as these sort of beautiful little snow globes, which kind of, weirdly, that's the way we think of memories - at least, most of the folks that we talked to. You think of these memories as being very pure and absolute and unchanging. That's not actually real life.

— Pete Docter