Martha Hackett is an American actress, born on February 21, 1961, in Boston, Massachusetts. She studied at Harvard University/Radcliffe College and began her acting career in the 1980s, appearing in television and film.

     Hackett is best known for her role as Seska, a Cardassian spy disguised as a Bajoran Maquis in Star Trek: Voyager. She first appeared in the episode Parallax (1995) and became a recurring antagonist throughout the first two seasons. Seska was revealed to be working with the Kazon, betraying Captain Janeway and the crew of USS Voyager. Her character was ultimately killed in Basics, Part II (1996), but she returned in Worst Case Scenario (1997) and Shattered (2000).

     Hackett also appeared in Star Trek: Deep Space Nine as Romulan Sub-Commander T’Rul in The Search, Part I & II (1994). She was originally considered for the role of Jadzia Dax, but the part went to Terry Farrell.

     Beyond Star Trek, Hackett has acted in films such as Carnosaur (1993), Leprechaun 2 (1994), and Alexander and the Terrible, Horrible, No Good, Very Bad Day (2014). She has also appeared in television series including NCIS, Masters of Sex, and Days of Our Lives.