(written from a Production point of view)
Irina Davidoff, also known as Irina Bazidott, (born 22 February 1945; age 74) is an actress who portrayed a Starfleet admiral in the Star Trek: Voyager finale "Endgame". Parts of her costume from this episode were sold off on the It's A Wrap! sale and auction on eBay.  Davidoff also appeared as a Warp Five Complex scientist in the Star Trek: Enterprise pilot episode "Broken Bow". For "Broken Bow" she filmed her scene on 22 June 2001 on Paramount Stage 16 in front of a blue screen.
In the 1960s and '70s, Davidoff worked under her maiden name Irina Lavrentyeva on several film projects produced in the Soviet Union.
Davidoff portrayed Olga in the 1989 thriller Dance Macabre, a Russian maid in the 2002 comedy Mr. Deeds, which featured fellow Star Trek performers Winona Ryder, Erick Avari, Harve Presnell, Bruce French, Dion Anderson, and Scott Thompson Baker, and a starring role in the 2008 short film A Girl and a Gun. 
Television credits include guest roles in Dear John (1991, starring Harry Groener), V.I.P. (1998, along Mark Chaet, Patrick Kilpatrick, and television son Eric Steinberg), ER (2006, with Scott Grimes, Leland Orser, and Michelle Bonilla), Criminal Minds (2007, with Gregory Wagrowski and directed by Jesús Salvador Treviño), The Newsroom (2014, with Frank Cermak, Jr.), and Fresh Off the Boat (2016, with Ray Wise).