My worst moment: 'Westworld's' Jeffrey Wright and a last-minute schedule change

The making of HBO's "Westworld" is a complicated process that star Jeffrey Wright describes as "a game of benevolent chaos." Multiple units are filming on the same day - sometimes as many as four might be working on different portions of an episode.

"These many threads come together to create one tapestry and fusing together in ways that I find particularly gratifying," he said. This season, his character Bernard - the android programmer - has had to confront some awful truths about the nature of the park, and his own actions therein. That means memory flashbacks, which require more than "just staring off into the distance. You're staring off into another scene, so you're actually trying to remember what you're supposed to be envisioning - and how that will cut back into the scene - so you have to be actor, envisioner and editor."

The show's co-creator and co-showrunner Lisa Joy directed Episode 4 this season "and