Alex and Nick also share a past.
At the same TCA Q&A, Wilmer and Jennifer revealed that not only have their characters met before their story begins in Season 14, but Alex actually trained Nick. "They may have had some kind of... past together," Wilmer added, coyly.
Watch the Season 14 premiere of NCIS on Tuesday, Sept. 20 at 8/7c. Stream it live or on-demand with CBS All Access.