Sandra Nelson
Sandra Nelson  is the actress who played Marayna in the  third season episode  and Tavana in the  fifth season episode . Her dress from "Alter Ego" was later re-used by background actress Fedra Thompson in the episode  and sold off on the It's A Wrap! sale and auction on eBay. 

She was a regular cast member on the soap opera The Young and the Restless from 1997 through 1999. However, the majority of her credits from the 1990s are composed of made-for-television movies. These include 1993's Moment of Truth: A Child Too Many with Stephen Macht, 1994's Voices from Within with Corbin Bernsen, 1996's Brothers of the Frontier (with  star Jonathan Frakes), and 1996's Run for the Dream: The Gail Devers Story (with John Schuck).

In recent years, however, Nelson has branched out into motion pictures. She had roles in the 2001 film Life as a House, (featuring  star Scott Bakula and DS9 guest actor Art Chudabala), and the 2004 film De-Lovely. Both films were directed by her father-in-law, Irwin Winkler. She also appeared in the 2002 thriller Enough (with William O. Campbell, Bill Cobbs, Bruce French, and Jeff Kober) and The Wolf of Wall Street.

External links 
 
 
 Sandra Nelson at ReelAccess.com dead link

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Performers
DS9 performers
VOY performers