Guest Stars Samuel Hunt as Craig "Mouse" Gurwitch Barbara Eve Harris as Commander Emma Crowley Eamonn Walker as Battalion Chief Wallace Boden S. Epatha Merkerson as Chief Administrator Sharon Goodwin Ser'Darius Blain as Brian Johnson Cyrus Farmer as Reverend Pembelton Co Starring Chris Agos as Assistant State's Attorney Steve Kot Celeste Cooper as Medical Examiner Cooper Zach Garcia as Diego Dawson Ray Austin as Officer Hiller Desmond Gray as Paramedic Desmond Ireon Roach as Chelsea Kemp Tiffany Renee Johnson as Lauren Brooks Robert Thompson as Sam Fowley Javoun Baker as Miles Johnson Robert Upton as Jordan Lockett Melanie Loren as Female Witness Furly Mac as Colin Lowe DeAndre Brown as Jesse Kemp Karla Beard as Emmie Kemp James Randle as 20-Year Old Male Witness Jay Thurman as Homeowner