Tracy Spiridakos joined in 2017, taking on the role of Detective Hailey Upton — stepping into the gap left by a previous lead and slowly becoming one of the franchise’s most recognizable, steady presences.Over seven seasons, Upton evolved from a new recruit into a mature detective with emotional depth, professional integrity, and strong bonds with her colleagues.
But in 2023, it was confirmed that Spiridakos would leave after Season 11 — the last episode airing in spring 2024. The news hit the fandom hard. For many, Hailey Upton wasn’t just another detective — she was a pillar of the Intelligence Unit, a representation of resilience and moral clarity in a world of darkness and gray areas.
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