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 Ronald D. Moore's re-imagined Battlestar Galactica television series.
Helfer was born in the rural community of Donalda in Stettler County, Alberta. She was raised by Dennis and Elaine Helfer on the family's grain farm with her sister Tammy, 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.
