June 09, 2017 at 07:06 PM EDT

Jennifer Esposito is leaving CBS drama NCIS after one season as a series regular, EW has confirmed.

The former Blue Bloods actress joined the cast of NCIS in last fall’s season 14 premiere as Special Agent Alexandra “Alex” Quinn, a former field agent who had transitioned to life as an instructor at the Law Enforcement Training Center. Prizing her experience and her smarts, Gibbs (Mark Harmon) convinced her to return to field work as a member of his team.

Trae Patton/CBS

Former NCIS showrunner Gary Glasberg developed Esposito’s character shortly before his death last fall. While the character of Quinn did not make a noticeable exit on the May 14 season finale, she was involved in one of the finale’s many cliff-hangers, receiving two mysterious calls from her mother. It is possible that one of these unresolved calls could be used to justify her exit, though viewers will likely have to wait until the show returns in the fall for any definitive answers.

No word yet on whether Esposito might return as a guest star or recurring character at some future date.

Deadline first reported the news.

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