A botched assassination attempt in Belgravia forces NCIS to protect the Defense Minister's daughter, who is studying in the U.S. and smitten with McGee. Meanwhile, Gibbs investigates the death of the U.S. Marine who was killed in the bombing.

Christopher Redman, Dave Monahan, Elena Satine, Kevin Cahoon, Lorraine Toussaint, Nick Eversman, Randy Oglesby, Ray Laska