🔥Chicago Fire 🚒 ~ Matt Casey 
Jesse Spencer returning Season 11

Will reprise his role in Season 11 Episode 18 {Guest Star}
 We’ll have to wait to find out what brings him back to Chicago — and likely leads to some sort of reunion for him and ex-girlfriend Sylvie Brett (Kara Killmer)

Additional blog post info:
https://just-ask-steve.blogspot.com/2023/01/chicago-fire-kelly-severide-shocker.html

Chicago Fire, Wednesdays, 9/8c, NBC