(written from a Production point of view)
Mary Kay Adams (born 12 September 1962; age 51) played Grilka in the Star Trek: Deep Space Nine episodes "The House of Quark" and "Looking for par'Mach in All the Wrong Places". She is a descendant of US Presidents John Adams and John Quincy Adams.
Adams also played the role of Na'Toth on Babylon 5 during that show's second season, taking over the role from fellow DS9 guest star Julie Caitlin Brown. Although she was listed in the show's opening credits for the entire season, she only appeared in two episodes. Mostly, she worked with Andreas Katsulas on the show.