Kristina Louise Apgar born 10 June 1985, in Morristown, New Jersey. Kristina appears in Terminator: The Sarah Connor Chronicles as Cheri Westin, John Connor's mysterious lab partner. According to series producer Josh Friedman, Kristina will resume her role of Cheri Westin for season 2. 
Kristina has appeared in notable TV productions such as As the World Turns, Rescue Me, and Law and Order.
Besides her television work, Kristina has done a short movie called Barry's Last Chance.
- Of Norwegian descent, Kristina graduated from Madison High School. 
- She has also studied ballet with the New Jersey Ballet company.