Robert Schwertzer
Robert Schwertzer is the actor who played the Aenar physician in the  episode . As an extra, he received no credit for his appearance and was identified by the name tag of his costume, which was sold off on the It's A Wrap! sale and auction on eBay for US$200. 

This episode seems to be Schwertzer's only known on-screen role.

de: Robert Schwertzer
Performers
ENT performers