Jolene Blalock is an American actress best known for her role as Sub-Commander T'Pol, a Vulcan in Star Trek: Enterprise. She played the role in 98 episodes, from 2001-2005.
Prior to Enterprise, her highest profile role was playing Medea in a 2000 made-for-TV adaptation of Jason and the Argonauts.
She has had guest starring roles in a number of television shows, including CSI: Crime Scene Investigation, JAG and Stargate SG-1.
Blalock has also appeared in the feature films Queen for a Day (2000), Slow Burn (2005), Shadow Puppets (2007) and First Fear (2007); and played the role of Ruby Grange in the 2001 mini-series Diamond Hunters.