Chicago Fire season 12 spoilers follow.

Chicago Fire's cast shakeup continues as actor Michael Bradway has joined the procedural for season 12.

Dick Wolf's series has cast the Marked Men star in an undisclosed role. Following the official announcement, Bradway took to his Instagram to share the news with his followers.

"Got to be a part of the Chicago Fire Family for season 12!" he wrote, adding a fire emoji. "Can't wait for you guys to see it next week!"

michael bradway
@michaelbradway_//Instagram

Related: Chicago Med boss teases romantic spark for new doctor Mitch Ripley and existing character

As per Deadline, the newcomer is set to portray "charming firefighter" Jack Damon, making his Chicago Fire debut in episode 10 and potentially becoming a regular next season.

Bradway's casting follows Rome Flynn's shock exit after his six-episode stint as Derrick Gibson.

The How to Get Away With Murder star left Chicago Fire earlier this month when his character left to receive help for his prescription pill addiction.

rome flynn as gibson, chicago fire season 12
NBC//Getty Images

Related: Chicago Fire's Daniel Kyri reflects on response to LGBTQ+ character

"Just like all the fans, I was sad to see Gibson leave. He was a character I very much enjoyed playing," Flynn told Variety, leaving the door open on a possible return.

"I had a wonderful experience during my time on Chicago Fire and have great respect for the cast and crew and hope to team up with Dick Wolf again when the time is right."

Chicago Fire also recently lost star Kara Killmer, who bowed out after 10 years in the role of Sylvie Brett.

Sylvie's departure came when she and fire captain Matt Casey (Jesse Spencer) moved to Portland after getting married, with Killmer saying it has been "humbling and aspirational" playing a first responder for a decade.

Chicago Fire, Chicago PD and Chicago Med air on NBC and Peacock in the US, and on Sky Witness in the UK.

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Stefania Sarrubba

Reporter, Digital Spy

Stefania is a freelance writer specialising in TV and movies. After graduating from City University, London, she covered LGBTQ+ news and pursued a career in entertainment journalism, with her work appearing in outlets including Little White Lies, The Skinny, Radio Times and Digital Spy

Her beats are horror films and period dramas, especially if fronted by queer women. She can argue why Scream is the best slasher in four languages (and a half).