Callen and Sam work with Navy Captain Harmon "Harm" Rabb, Jr. (David James Elliott) to locate a group of ISIS sympathizers aboard the USS Allegiance. Also, Hetty enlists her friend, Lieutenant Colonel Sarah "Mac" Mackenzie (Catherine Bell), to help obtain information from a Russian diplomat.
Did You Know?
A deep cover Russian operative, who up to that point (and in the previous episode) had been speaking flawless English, starts talking in a broad Russian accent when confronted by the team. See more