Dion Lambert D     E     C     E     A     S     E     D Gender:   Male Died: 2005 Status: Deceased- murdered by his co-worker, Karen Wilkerson. Portrayed by: Bryan Irzyk- (uncredited)  First Appearance   ●   NCIS: Doppelgänger  Last Appearance   ●   NCIS: Doppelgänger List of Appearances

Dion Lambert was a Petty Officer whose disappearance and eventual murder caused the Major Case Response Team led by Agent Leroy Jethro Gibbs and a civilian team led by Lieutenant Cheney to lead a joint investigation.