: Jesse Spencer (Matthew Casey), Taylor Kinney (Kelly Severide), Kara Killmer (Sylvie Brett), Christian Stolte (Mouch), and Eamonn Walker (Wallace Boden).
: Hanako Greensmith (Violet Mikami), Alberto Rosende (Blake Gallo), and Nick Gehlfuss (Dr. Will Halstead). Chicago Fire Review: One Crazy Shift (Season 9 Episode 10) [S9E10] One Crazy Shift
: Following a severe head injury in the previous episode, Captain Casey struggles with headaches and blurred vision. While he tries to hide it, Gallo notices and confronts him about the danger he poses to the team. Eventually, Casey seeks informal advice from Dr. Will Halstead of Chicago Med , who urges him to see a neurologist immediately. : Jesse Spencer (Matthew Casey), Taylor Kinney (Kelly
: Mouch dreams of joining the CFD "Pipes and Drums" band but struggles with the audition. Despite failing because he cannot read music, he finds a small victory when the band decides to use his "sob story" video as a promotional tool. Cast & Guest Appearances Chicago Fire Review: One Crazy Shift (Season 9