Steve Yudson
Steve Yudson  is a Broadway and theatrical singer who appeared as a holographic Club Ingenue clientele in the  fourth season episode . As a background actor he received no credit for his appearance. His name appeared on a name tag for a costume, which was sold off on the It's A Wrap! sale and auction on eBay, but he was not actually seen wearing ut in the episode itself.

External link 
 Steve Yudson at the 'Cats' Musical Wiki

Performers
DS9 performers