The One Chicago universe is no stranger to fresh faces, and Chicago Fire Season 15 is already shaking things up. With production underway, the show has welcomed a new cast member, and fans are getting their first look at the latest addition to Firehouse 51.

Da'Vinchi, known for his four-season run on Starz's crime drama BMF, has joined the series as Marcus Burke, a firefighter recruit described as "roguish and funny with a wry sense of humor; he's also a little defiant." The actor shared a behind-the-scenes glimpse of his new character on Instagram, showing Burke in a black tee and turnout gear, as well as wearing a breathing mask while strolling on set. The post drew congratulatory messages from fellow actors, including Rome Flynn, who guest-starred on the show in Season 13.

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Da'Vinchi's casting comes as Chicago Fire prepares for a season of significant changes. Longtime cast member Joe Minoso, who has played Joe Cruz since the series premiere, is exiting after 15 seasons. Showrunner Andrea Newman is also departing, with co-executive producer Victor Teran stepping in as the new showrunner. While a change in leadership doesn't always alter the story's course, it can influence the direction the series takes.

Fans can expect more updates as the season progresses. Chicago Fire returns on NBC on Wednesday, October 7. For more on the show's evolving lineup, check out our coverage of Joe Minoso's exit and other behind-the-scenes news from the world of TV.