The names and addresses were then communicated to a team of researchers, who started browsing public websites in search for information they could feed the Dave character with.

FORBES: It's Not Magic... It's Data-Mining!

"Always, whether you're playing a fictional character or someone who lived, it is an active invention, because you have to tell the story, play the character that's been described in the script, and try to feed as much detail as you can, " she has said.

BBC: Cate Blanchett in I'm Not There