Chicago Fire Season 15 is going to premiere on NBC in the fall as always, but some members of the cast may not return for the upcoming season. Season 14 ended on a cliffhanger that put the lives of multiple characters in danger, and it is yet to be known who will make it out alive.As we get closer to the premiere of Chicago Fire Season 15, here is the detailed information about who's staying, who is leaving, and who might join. Chicago Fire Season 15 cast: Who's staying and who's leaving Season 14 ended with a warehouse rescue going wrong. While the team evacuates, a huge unexpected explosion takes place, engulfing members of Squad 3 and Truck 81 in flames as they struggled to escape the structure. We were not shown who survived and who didn't. View this post on Instagram Instagram PostTaylor Kinney and Miranda Rae Mayo, who play Lieutenant Kelly Severide and Firefighter Stella Kidd, are confirmed to return for Chicago Fire Season 15 since they have both signed new deals for the next season. Other cast members returning for Season 15 are Hanako Greensmith as Paramedic in Charge, Violet Mikami, and Jocelyn Hudon as Paramedic Lyla Novak. Cast members expected to return in Chicago Fire Season 15 are David Eigenberg as Lieutenant Christopher Herrmann, Brandon Larracuente as Sal Vasquez, Christian Stolte as Randall McHolland, and Joe Miñoso as Joe Cruz. They are expected to return, but their return is not yet officially confirmed because at the end of Season 14, Christopher and Val were the two firefighters who were trying to escape down an aerial ladder when a huge fireball surged from below and engulfed the entire ladder. On the other hand, Randall and Joe were trapped inside the warehouse when it exploded. View this post on Instagram Instagram PostDaniel Kyri, who plays Darren Ritter in the show, left as a series regular in Season 14. However, he is expected to return for Chicago Fire Season 15 briefly to give his character a good ending. Eamonn Walker, who plays Wallace Boden, stepped down as a series regular at the end of Season 12. But he continues to appear as a recurring guest on the show. We can thus expect him to have a few appearances in Season 15 as well.Cast members who might not return for Chicago Fire Season 15 It is not yet known if Dermot Mulroney will return in Chicago Fire Season 15 as Battalion Chief Dominic Pascal. This is because the actor may face a scheduling conflict with another project. Mulroney recently revealed that The Hunting Wives Season 3 is in development and is expected to begin filming this fall. On The Tangle podcast, Mulroney said, “Season 3 is in prep. I think they’ve got writers in the room, and they’re cooking up a third season already. And that should begin filming in the fall.”The timing of production of the two shows could complicate his return as Chief Dom Pascal, especially since the character was not seen that much in Season 14 either. While there is a high chance of Mulroney appearing in Season 15’s premiere episode, it it uncertain whether he will return full-time. View this post on Instagram Instagram PostIt is also not confirmed whether Michael Bradway will return as Damon. The reasons behind this uncertainty are that his character has been transferred out of Firehouse 51. Moreover, Bradway has joined Prime Video's upcoming show, Every Year After, where he most likely will need to invest a lot of time. Thus, he might not return for all episodes. All released episodes of Chicago Fire are streaming on Peacock. Chicago Fire Season 15 will premiere on NBC in the fall. For more articles like this, follow Soapcentral.