Beccy Henderson is a Northern Irish puppeteer who operates Deet and Naia on The Dark Crystal: Age of Resistance. She also puppeteered Maudra Seethi and Juni ("What Was Sundered and Undone") and voiced Bobb'N and Maudra Ethri. Henderson was an assistant puppeteer on the Jim Henson Company series Pajanimals and That Puppet Game Show.

On-camera, Henderson recurred on the sitcoms Derry Girls and Secret Life of Boys.

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