stand-in

[ stand-in ]
/ ˈstændˌɪn /

noun

a substitute for a motion-picture star during the preparation of lighting, cameras, etc., or in dangerous scenes.
any substitute.

Origin of stand-in

First recorded in 1930–35; noun use of verb phrase stand in
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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