responsible for planting a bomb somewhere in the city. In "The 3rd Choir" he helps Nell to cope with her first kill. Peter Cambor was credited as a main cast member during season one, but his character was downgraded to recurring at the start of season two. In his future appearances, Cambor was credited as a Special Guest Star. Kensi Blye Kensi Blye (portrayed by Daniela Ruah) is a Special Agent assigned to the NCIS Office of Special Projects. Dominic Vail Dominic "Dom" Vail (portrayed by Adam Jamal Craig) was introduced in the episode "Identity" as the team's rookie agent. He was originally partnered with Kensi Blye. Dom is not a native of Los Angeles. An MIT alumnus, Dom moved straight to LA after he was recruited by NCIS following graduation. Dom's field of study has not been disclosed, although he has demonstrated on several occasions advanced skills with computers and electronics, and it has been stated that he "makes a pretty good geek for a field agent". As of season one, both of Dom's parents are still alive. Dom is an uncle, as evidenced by crayon drawings stuck to his refrigerator door. Dom disappeared in the episode "Past Lives" (although his team does not realize this until the following episode "Missing"), and was finally found in the episode "Found". It was revealed that he had been captured by professional kidnappers hired by Islamic militants and held hostage in the hope of facilitating a prisoner exchange. Although Callen, Kensi and Sam eventually found him, they later found themselves caught up in a major gunfight with the terrorists. While pinned down on the rooftop, Dom took fire that was originally intended to hit Sam with the bullets piercing his body, essentially sacrificing himself to save Sam's life. Despite Sam's efforts to stop the bleeding, Dom died almost immediately with his death leaving the OSP team completely shell-shocked and grief-stricken. The team (particularly Kensi Blye) is shown to be heartbroken and devastated the following episode. His role in the team was later taken over by Detective Marty Deeks. The season one episode "Past Lives" was the last to credit Adam Jamal Craig as a main cast member. He was later credited as a guest star in the season one episode "Found", also his final appearance on the show. Henrietta "Hetty" Lange Henrietta "Hetty" Lange (portrayed by Linda Hunt) is the Operations Manager