Sam Hanna and G. Callen
LL COOL J (NCIS Special Agent Sam Hanna) and Chris O’Donnell (NCIS Special Agent G. Callen). Kensi and Deeks are sent undercover as married couple, Melissa and Justin, when evidence points to a Russian sleeper cell in a suburban neighborhood, on NCIS: LOS ANGELES. Photo: Sonja Flemming/CBS ©2012 CBS Broadcasting, Inc. All Rights Reserved.