(written from a Production point of view)
Suzie Plakson (born 3 June 1958; age 63) is an American actress who appeared in four different roles in three Star Trek spinoff series, namely Star Trek: The Next Generation, Star Trek: Voyager, and Star Trek: Enterprise.
Born as Susan Plaksin, she provided the voice of Monica Devertebrae on the 1991-1995 TV Series Dinosaurs (co-starring Michael Dorn in the role of the voice of The Elders). She appeared on the 1992-1995 TV series Love & War (co-starring Michael Nouri) in the role of Meg Tynan. She has also appeared in the films Disclosure (1994, with Rosemary Forsyth, David Drew Gallagher, Jacqueline Kim, and Jack Shearer), Wag the Dog (1997, with Geoffrey Blake, Brant Cotton, Kirsten Dunst, Phil Morris, J. Patrick McCormack, and Jack Shearer), On Edge (2001, with Jason Alexander and John Glover), and Red Eye (2005, with Loren Lester, Robert Pine, Beth Toussaint, and Dey Young)
Plakson also had a recurring guest role on Mad About You as Dr. Joan Golfinos, the partner of Paul's sister Debbie (another regular guest star on the series was Anne Ramsay, who appeared in the same episode, "The Emissary", with Plakson; Gates McFadden also made several guest-appearances on the show). More recently she's appeared in a recurring role as Marshall's mother on How I Met Your Mother.
Plakson was the keynote speaker during the closing ceremonies of Star Trek: The Experience in Las Vegas on 1 September 2008.