Hallie Thomas was a physician and the ex-fiancée of Matthew Casey. She was portrayed by Teri Reeves. Hallie was engaged to and had a relationship with Matthew Casey for eight years, during which they separated and later reconciled multiple times. Hallie is working at the clinic around her resident position at Lakeshore where Casey comes to visit her to give her some lunch. She notices.. Matthew "Matt" Casey is a fictional character on the NBC drama Chicago Fire, portrayed by actor Jesse Spencer. Casey is a firefighter at Firehouse 51. He was a lieutenant from seasons 1 to 6, and from season 6 is a captain in the Chicago Fire Department on Truck Company 81. [citation needed] The character had an ongoing feud with Detective Hank Voight (Jason Beghe), a protagonist in Chicago.
Chicago Fire puts characters in danger on a weekly basis. We see firefighters and medics putting their lives on the line to protect others. Unfortunately, it doesn't always end well. There have been several deaths over the course of the show's 13 seasons. Some of which, we are still reeling from. In an effort to celebrate, grieve, and simply remember the Chicago Fire characters who have fallen.. Matthew Casey, portrayed by Jesse Spencer, is one of the central characters in NBC's hit TV drama Chicago Fire. Since the series premiered in 2012, Casey has served as a heroic firefighter and a moral compass for the team at Firehouse 51. His leadership, bravery, and personal struggles have resonated with fans over the years, making him an irreplaceable part of the show. Casey's journey.