Jesse Spencer Matthew Casey Actor Taylor Kinney Kelly Severide Actor Monica Raymund Gabriela Dawson Actor Eamonn Walker Chief Wallace Boden Actor David Eigenberg Christopher Herrmann Actor Joe Minoso Joe Cruz Actor Yuri Sardarov Brian "Otis" Zvonecek Actor Christian Stolte Randy "Mouch" McHolland Actor Kara Killmer Sylvie Brett Actor Miranda Rae Mayo Stella Kidd Actor Treat Williams Benny Severide Guest Star Damon Dayoub Cordova Guest Star Chance Kelly Special Agent Reardon Guest Star Rachel Cerda Agent Julia Cortes Guest Star Randy Flagler Capp Guest Star DuShon Monique Brown Connie Guest Star Kim Delaney Jennifer Sheridan Guest Star Anthony Ferraris Tony Guest Star Tiffany Shepis Isabella Guest Star Ronnel Taylor Maurice Guest Star Eduardo N. Martinez Hector Guest Star Derek Haas Executive Producer Michael Brandt Executive Producer Jeffrey Nachmanoff Executive Producer Dick Wolf Executive Producer Peter Jankowski Executive Producer Danielle Gelber Executive Producer Lin Oeding Director