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 Sarah Shahi Renée Royce Guest Star Michael Hayden Chief Huffhines Guest Star Randy Flagler Capp Guest Star Gary Cole Chief Grissom Guest Star Anthony Ferraris Tony Guest Star Jennifer Anglin Devon Guest Star Owais Ahmed Spencer Guest Star Sam Porretta Chief Hatcher Guest Star Fred Zimmerman Detective Udoh Guest Star Joel Berti Officer Joe Ingles Guest Star Reggie Baker Judge 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