Real World article
(written from a Production point of view)

Ken Ziff is an actor who portrayed a Ferengi waiter in Quark's in Star Trek: Deep Space Nine. He can be more prominently seen in Ferengi civilian clothing in the episode DS9: "Bar Association". His waiter costume was sold off on the It's A Wrap! sale and auction on eBay. His costume was also worn by another background actor, David Jeffries. [1] [2] Ziff also worked as stand-in for Lee Arenberg on the Star Trek: The Next Generation seventh season episode "Bloodlines" in 1994.