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. in 1992, she won Ford Models’ Supermodel of the World Contest and was subsequently signed to the Elite Model Management and later to Trump Model Management. Tricia retired from fashion modeling in 2002 and states that all her shoots since then are related to projects or product endorsements.
