See what the terrifying new 'Westworld' drone hosts look like out of costume

• HBO's hit series "Westworld" returned for its second season on Sunday night. 
• The new episode introduced a never-before-seen type of android called "drone hosts."
• In a new video, HBO reveals the actors behind these creepy new robots.
• They're played by tall men in latex costumes complete with corsets and face masks.
• One of the actors is even a dancer, and the footage shows him doing ballet on set.
• The drone hosts are intentionally designed to look unsettlingly humanoid.
• But the new video shows how they're brought to life using clever costume design.
• For more on "Westworld," read INSIDER's list of 11 details you might have missed on the second season premiere.
• Watch the full behind-the-scenes video from HBO below.

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