Jesse Spencer Matthew Casey Actor Taylor Kinney Kelly Severide Actor Charlie Barnett Peter Mills 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 Sophia Bush Erin Lindsay Guest Star Kenny Johnson Tommy Welch Guest Star Melissa Ponzio Donna Robbins Guest Star Edwin Hodge Rick Newhouse Guest Star Randy Flagler Capp Guest Star Linda Powell Ingrid Mills Guest Star Laya DeLeon Hayes Naomi Guest Star Anthony Ferraris Tony Guest Star Josh Bywater Rodger Guest Star Glenn Stanton Molina Guest Star Amy J. Carle Doctor Guest Star Jason Coleman 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 Tom DiCillo Director Andrea Newman Writer