Sarah Victoria Higginson (born December 6, 1969) is a Canadian actress. She is best known for portraying Elizabeth Weir in the science fiction series Stargate Atlantis (2004–2008). Her other roles include Beth Kittridge in TekWar, Commander Delaney Truffault in Dark Matter (2015–2017), and Natalie Lawson in This Life (2015–2016). Higginson is also a theatre actress, and has appeared in such plays as Three Tall Women, Weldon Rising, and Picasso at the Lapin Agile. (Via Wikipedia)