If you’re gearing up for 9-1-1 Season 9, you’re probably wondering: Who’s still around? Who’s new? And which of your favorite actors are returning to the 118 firehouse — or leaving it behind? With Peter Krause’s emotional exit in Season 8 and other big changes, Season 9 promises intense drama both on and off the job. In this article, we’ll break down the full cast of 9-1-1 Season 9, character by character, and highlight other noteworthy roles the actors have played before.
The Core Cast of 9-1-1 Season 9
Angela Bassett as Sergeant Athena Grant-Nash
Angela Bassett continues her role as Athena Grant-Nash, a veteran law-enforcement officer in the 9-1-1 universe. She’s been a steady presence since the show’s early seasons.
Where else you’ve seen her: Bassett’s career spans decades. She earned critical acclaim playing Tina Turner in What’s Love Got to Do With It, and she’s appeared in major films like Black Panther: Wakanda Forever, where she plays Queen Ramonda.
Oliver Stark as Firefighter Evan “Buck” Buckley
Oliver Stark returns as Buck, the brave and sometimes impulsive firefighter at Station 118.
Where else you’ve seen him: Before 9-1-1, Stark played Ryder in AMC’s martial arts drama Into the Badlands.
Kenneth Choi as Howie “Chimney” Han
Choi reprises his role as Chimney, the firefighter-paramedic known for his technical skills and heart.
Where else you’ve seen him: Kenneth Choi has a varied resume — he played Jim Morita in Captain America: The First Avenger, appeared in The Wolf of Wall Street, and starred in Sons of Anarchy as Henry Lin.
Aisha Hinds continues as Hen, a dedicated firefighter and paramedic who’s faced her own share of inner battles.
Where else you’ve seen her: Hinds has appeared in many TV dramas, but she’s especially known for her role in Underground and When They See Us. (Note: deeper credits are abundant, but these highlight her gravitas.)
Jennifer Love Hewitt as Maddie Kendall / Buckley-Han
Hewitt returns as Maddie, a 911 dispatcher, nurse, and central emotional force in the team.
Where else you’ve seen her: Jennifer Love Hewitt is a familiar face from Ghost Whisperer, Party of Five, and many ’90s/2000s teen dramas and films.
Ryan Guzman as Edmundo “Eddie” Díaz
Ryan Guzman plays Eddie Díaz, a firefighter-paramedic whose courage often leads him into the most dangerous—and personal—rescues.
Where else you’ve seen him: Guzman starred in Step Up: Revolution and its sequels, and featured in TV shows like The Purge series.
Corinne Massiah as May Grant
May Grant, Athena’s daughter, is now promoted to series regular in Season 9.
Where else you’ve seen her: While relatively newer, Massiah’s growing presence on 9-1-1 makes her a standout.
Elijah M. Cooper as Harry Grant
Elijah M. Cooper plays Harry Grant, May’s brother and Athena’s son. He’s also elevated to a more central role in Season 9.
Where else you’ve seen him: Cooper is best known for his part on 9-1-1; this is one of his most prominent roles.
Notable Departures & Changes in Season 9
Peter Krause — The Exit of Bobby Nash
One of the biggest shifts for Season 9 is Peter Krause’s departure. His character, Captain Bobby Nash, died in Season 8, leaving a void at Station 118.
This exit is deeply felt across the cast and among fans.
Supporting Cast & Recurring Faces
Other Key Figures in Station 118
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Gavin McHugh as Christopher Diaz, Eddie’s son.
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Other returning responders include dispatchers, paramedics, and lower-profile firefighters who matter in the emotional landscape of the show.
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New or guest stars may be introduced as the firehouse rebuilds and reshapes after Nash’s death.
Why This Cast Lineup Matters in Season 9
Evolution of Character Dynamics
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With Bobby gone, leadership dynamics at 118 will shift — Buck, Chimney, and others may step up in new ways.
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Athena’s journey as a widow and mother will deepen.
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May and Harry’s roles suggest a bigger focus on family in this season.
Bringing Depth with Familiar Faces
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The strengths of Bassett, Hewitt, and Choi bring experience and emotional weight.
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Stark’s youthful energy and Guzman’s paramedic heroism continue to balance the show’s tone.
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Newer cast promotions (May, Harry) instill fresh perspective and raise the stakes.
Where the Cast Came From — Career Highlights & Backgrounds
Angela Bassett’s Legacy
A Hollywood mainstay, Bassett’s career spans biographical films (What’s Love Got to Do With It), blockbusters (Black Panther), and TV dramas.
Her presence in 9-1-1 brings gravitas.
Oliver Stark’s Versatility
Stark — born Oliver Leon Jones in London — made his name not only in 9-1-1 but earlier in martial-arts drama Into the Badlands.
His British roots sometimes surprise fans, but his performance as Buck is confident and compelling.
Kenneth Choi’s Character Actor Range
Choi’s long career includes Marvel’s Captain America, The Wolf of Wall Street, Sons of Anarchy, and more.
He brings a grounded, loyal sensitivity to Chimney.
Aisha Hinds’ Emotional Strength
Hinds has appeared in socially resonant dramas (Underground, When They See Us) and brings that same emotional layer to Hen — someone who deals with trauma but never backs down.
Jennifer Love Hewitt – From Young Star to Seasoned Actor
Hewitt grew up on TV (Party of Five) and has explored supernatural drama in Ghost Whisperer. She’s one of 9-1-1’s emotional anchors as Maddie.
Ryan Guzman – Performer with Heart
Guzman’s background in dance films (Step Up) and action dramas gives him a physical edge. As Eddie, he’s both strong in rescues and vulnerable in family moments.
What to Watch For in Season 9
Leadership Shift in the Firehouse
Without Bobby Nash, who will lead — and how? That tension is likely to drive many plots.
Character Growth at Home
Expect more from May and Harry as they deal with loss, growth, and what family means in a constantly dangerous job.
Emotional Arcs & High-Stakes Rescues
As always, 9-1-1 balances life-or-death crisis calls with deeply personal storylines. With the new cast dynamics, the emotional resonance may be higher than ever.
Conclusion
9-1-1 Season 9 isn’t just another round of action-packed rescues — it’s a turning point. With the departure of Captain Bobby Nash, the remaining core cast will be challenged to redefine their roles, both inside the firehouse and in their personal lives. Actors like Angela Bassett, Oliver Stark, Kenneth Choi, Aisha Hinds, Jennifer Love Hewitt, Ryan Guzman, Corinne Massiah, and Elijah M. Cooper bring a mix of gravitas, energy, and fresh perspective. Whether you’re a longtime fan or a newcomer, Season 9’s cast promises more heart, higher stakes, and some major shifts.
