New character, begins #317 until end of season. Female, mid 20's to 30. Tough, fit, very intelligent. Not American.
Source: secretagentman
here is some more info for this character.
Lost
Episode #317
ABC/Touchstone Series
Casting Director: April Webster & Veronica C. Rooney
Submit Electronically/Hard Copy To:
April Webster & Veronica C. Rooney
Burbank, CA 91506
Female
20s-30s, Female, European or Asain, very attractive, tough, Intelligent, Fit
Start Date: February 21st - March 6th, 2007
Location: Hawaii
Source: Chicago Actor