David Walrod
David Walrod is an actor who played a Xyrillian in the  first season episode . He received no credit for this role and was identified by the name tag of his costume which was sold off on It's A Wrap! sale and auction on eBay. 

Among his acting resume are the films Win a Date with Tad Hamilton! (2004, with Patrick Fischler, and stunts by Freddie Hice, Lisa Hoyle, Diana R. Lupo, and Tim Rigby), The Break (2006), and Brokeback Karate (2006).

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Performers
ENT performers