FBI SEASON 9 CAST SHAKE-UP: Which Major Characters Are Leaving and Who’s Returning?

FBI SEASON 9 CAST SHAKE-UP: Which Major Characters Are Leaving and Who’s Returning?

As FBI heads into Season 9, the CBS hit procedural is preparing for one of its most talked-about transitions yet. Following a tense Season 8 finale filled with betrayal, undercover twists, and a dramatic “fake firing” storyline, fans are now asking the big question: who is still in the team—and who might be gone for good?

According to recent updates, Season 9 is not a full reset of the series, but it does bring a noticeable shake-up in dynamics rather than a mass cast overhaul. Several core characters are confirmed to return, while others face shifting roles that could change how the team operates on the ground.

At the center of it all is Missy Peregrym’s Special Agent Maggie Bell, who remains the emotional anchor of the series. Alongside her, Zeeko Zaki’s Special Agent Omar Adom “OA” Zidan is also confirmed to return, despite the explosive Season 8 finale that saw him publicly fired. That shocking moment, however, has already been revealed as a covert operation rather than an actual departure, setting OA up for a new undercover arc in Season 9 that moves him away from his usual team structure.

John Boyd is also expected to continue as Stuart Scola, maintaining his role as one of the key field agents in the unit. Meanwhile, Alana de la Garza returns as SAC Isobel Castille, continuing to oversee the New York office with her signature command presence. Jeremy Sisto’s Jubal Valentine is also set to remain a crucial part of the leadership structure, keeping the team coordinated through increasingly complex cases.

Newer addition Juliana Aidén Martinez, who joined in Season 8 as Eva Ramos, is also expected to continue her presence, further integrating into the evolving team lineup and adding fresh energy to the ensemble.

On the departure side, there have been no confirmed major exits from the core Season 8 main cast at the time of writing. However, the biggest “shake-up” comes not from who is leaving, but from how characters are positioned going forward. OA’s undercover mission, in particular, signals a shift that could temporarily separate him from the main team, potentially altering long-standing partnerships and emotional dynamics within the unit.

Behind the scenes, showrunner comments suggest Season 9 will lean heavily into character-driven tension, moral ambiguity, and fractured trust—meaning even returning characters may feel “different” in function and storyline compared to previous seasons.

Ultimately, FBI Season 9 is shaping up less like a traditional cast purge and more like a strategic reshuffling of roles, relationships, and loyalties. While fans may not be saying goodbye to many familiar faces, they should expect a very different version of the team they thought they knew.