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 Daniel Zacapa Ramon Guest Star Eloise Mumford Hope Jacquinot Guest Star John Gatins Sam Mullins Guest Star Ariane Rinehart Lily Guest Star Brian Charles Johnson Manfredi Guest Star Michael Hayden Chief Huffhines Guest Star Randy Flagler Capp Guest Star DuShon Monique Brown Connie Guest Star Anthony Ferraris Tony Guest Star Noelle Bou-Sliman Demetra Guest Star Rose Sengenberger Desperate Mother Guest Star Tom Luce Mac 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