美国国家安全调查局在第500集杀害了一名资深演员. NCIS killed off a veteran cast member in its 500th episode.

美国国家安全调查局在第500集中杀害了主要角色. NCIS has killed off a major character during the show's 500th episode. 经过18年的时间, 这位资深演员在最新一期的剧中离职. The veteran cast member departed after 18 years in the latest installment.