NCIS may have just paved the perfect way for NCIS Director Leon Vance (Rocky Carroll) to leave the show after the current season. In NCIS season 21, episode 8, the team solves the murder of an abducted heart surgeon and Navy Commander, Erik Harper, played by Star Trek actor Tim Russ. When Director Leon Vance finds out that the leader of the Cali Cartel, Carlos Savina, is behind the murder, Vance reveals to Parker that hes been after Savina before
