(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 fourth season episode "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.   Ziff also worked as stand-in for Lee Arenberg on the Star Trek: The Next Generation seventh season episode "Bloodlines".