LL Cool J, who played Sam Hanna in "NCIS: Los Angeles" for 14 seasons, has officially been confirmed to appear in the third season of "NCIS: Hawai'i" in a recurring role. LL Cool J had made what was assumed to be his final appearance as Sam Hanna in the "NCIS: Los Angeles" series finale that aired on May 21st. However, he surprised viewers by appearing in the season two finale of "NCIS: Hawai'i" on the following night. The executive producers of "NCIS: Hawai'i" expressed their excitement at adding LL Cool J's talents to the upcoming season three. "NCIS: Los Angeles" is tied as the fifth longest-running scripted primetime series on CBS, behind shows like "CSI" and "Criminal Minds".