Ellen Tigh

Ellen Tigh
Battlestar Galactica character
Kate Vernon as Ellen Tigh
First appearance	"Tigh Me Up, Tigh Me Down" (2004)
Last appearance	Battlestar Galactica: The Plan (2009)
Portrayed by	Kate Vernon
In-universe information
Species	Humanoid Cylon
Gender	Female
Affiliation	Final Five Cylons
Spouse	Saul Tigh

Ellen Tigh is a fictional character from the 2004 Battlestar Galactica reboot series, portrayed by Kate Vernon from 2004 to 2009. She is the manipulative wife of series regular Colonel Saul Tigh (Michael Hogan) during the first three seasons of the series. In season four, she is revealed to be the last of the Final Five Cylons, synthetic humanoid machines who are the precursors to the Cylon antagonists who oppose the human race throughout much of the series.