Tricia Janine Helfer (born April 11, 1974) is a Canadian model and actress. She is best known for playing the humanoid Cylon Number Six in the re-imagined Battlestar Galactica television series. She has also been actively involved in different charity events, from animal rescue to the oil spill in the Gulf of Mexico.
Helfer was born in the rural community of Donalda in Stettler County, Alberta. She was raised on her family's grain farm, and was discovered by modeling agency scout Kelly Streit at age 17 while standing in line at a local movie theatre Helfer is of German, English, Swedish, and Norwegian descent.
