9-1-1 cast update: Chimney, Buck, Eddie and a promoted Athena return

The latest season of 9-1-1 keeps the familiar faces in place and makes one notable promotion official.

Kenneth Choi is back as Chimney, the paramedic who's been part of the 118 crew since the beginning. Oliver Stark returns as Buck, the guy who's been through every kind of personal chaos the writers could dream up. Ryan Guzman plays Eddie, the former Army medic and single dad still figuring things out.

Rob Huebel joins the cast as Ty Worrell, a character from the Office of Emergency Management. That's the bureaucrat side of disaster response, so expect friction with the boots-on-the-ground team.

The biggest change: Angela Bassett's Athena got promoted to detective. She's been the show's steady hand since day one, the cop who always ends up in the middle of the wildest calls. Now she's got the rank to match.

What it means

This is a long-running procedural doing what long-running procedurals do: keep the engine running, shuffle a few pieces, give a fan-favorite character a win. Athena's promotion is a smart move. She's carried entire episodes on her own, and the show knows it.

If you've stuck with 9-1-1 through its move from Fox to ABC, you're getting more of the same: big disasters, personal drama, the occasional storyline that goes off the rails. It's comfort food TV for people who like their rescues with a side of soap opera.

The cast has always been the show's strength. Bassett, Choi, Stark and Guzman have the chemistry down, and they sell even the most ridiculous scenarios the writers throw at them. Huebel's addition could add some tension if they let him be more than a one-note obstacle.

Nothing here suggests the show is trying to reinvent itself or chase trends. It's just doing what it does: put likable characters in danger, let them save people, give them personal problems to work through between the explosions. For fans, that's enough. For everyone else, it's skippable unless you're really into first responder procedurals.