Photo: Atsushi Nishijima © 2017 Disney Enterprises Inc. All rights reserved.

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Oprah greets the crew while shooting a scene on the planet Orion—home to a seer known as the Happy Medium (played by Zach Galifianakis), who lives in a cave. The cast had to walk on massive scaffolding (like the crosslike structure behind Oprah), hence the wire rig attached to her costume for balance.