- Sean Murray (Timothy McGee)
- Wilmer Valderrama (Nick Torres)
- Katrina Law (Jessica Knight)
- Brian Dietzen (Jimmy Palmer)
- Rocky Carroll (Leon Vance)
- Diona Reasonover (Kasie Hines)
- Gary Cole (Alden Parker)
NCIS — S4E9
Episode: Twisted Sister
Air Date: 2006-11-21
Runtime: 44 min
Overview
McGee breaks the rules, risking his NCIS job, to help his sister Sarah, who shows up disoriented and bloodied. While he works on figuring out what happened to his sister, the NCIS team are investigating a case of a Navy sailor, who is somehow connected to Sarah.