Pauley Perrette, who portrayed the fan-favorite forensic scientist Abby Sciuto on NCIS for 15 seasons, left the show in 2018 under controversial circumstances. While initial reports suggested she wanted to explore new opportunities, Perrette later revealed troubling details about her departure. In a series of social media posts, she alleged she faced “multiple physical assaults” on set, though she did not name specific individuals. CBS acknowledged her concerns in a statement, saying the network had taken steps to address the situation before her exit.

Following her departure, Perrette moved away from acting, starring briefly in the CBS sitcom Broke before announcing her retirement from television. Despite her career shift, she remains a beloved figure among NCIS fans, with many still nostalgic for Abby Sciuto’s quirky personality and unmatched forensic skills. Though a return seems unlikely, Perrette’s impact on the show is undeniable, as Abby remains one of the most iconic characters in the series’ long history.