Television:
* Battlestar Galactica (2004-2009): This is her breakout role, playing the iconic Cylon Number Six.
* Lucifer (2016-2021): She plays the angel Charlotte Richards, a recurring character in the series.
* Van Helsing (2016-2021): She plays the vampire queen, a recurring character and later a main villain.
* Designated Survivor (2016-2019): She played President Kirkman's Chief of Staff, a series regular.
* Supernatural (2005-2020): She appeared in multiple episodes as the angel, the angel "The Harbinger."
* The Expanse (2015-2022): She played the character of a Martian politician, a recurring character.
* Suits (2011-2019): She played a recurring character in the series.
* Stargate SG-1 (2002-2007): She played the role of an alien.
* The Firm (2012): She played a recurring character in the series.
* Warehouse 13 (2009-2014): She had a recurring role in the series.
* Ascension (2014): She played the female lead in this short-lived series.
* Star Trek: Voyager (2001): She had a guest appearance in the series.
Film:
* White Noise (2005): A psychological thriller where she played a supporting role.
* The 6th Day (2000): A science fiction film where she had a small role.
* The Scorpion King (2002): She had a supporting role in the action film.
* See No Evil (2006): She appeared in the horror film.
* The Grudge 3 (2009): She played a supporting role in this horror film.
* Death Race 2 (2010): She had a starring role in this action film.
* Walk of Shame (2014): She had a starring role in this comedy.
* The Last Scout (2013): She starred in this action film.
* Project: Eden (2015): She starred in the science fiction film.
* Black Widow (2021): She had a role in this Marvel film.
This is not an exhaustive list, but it highlights some of her most notable roles in film and television.
She is known for her versatility, as she has appeared in a wide range of genres, including science fiction, fantasy, action, horror, and comedy.