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 Mariska Hargitay Olivia Benson Guest Star Eric Mabius Jack Nesbitt Guest Star Warren Christie Scott Rice Guest Star Dora Madison Jessica Chilton Guest Star Izabella Miko Katya Guest Star Joel Marsh Garland Billy Carson Guest Star Jason Beghe Hank Voight Guest Star Jon Seda Antonio Dawson Guest Star Randy Flagler Capp Guest Star DuShon Monique Brown Connie Guest Star Tamara Tunie Dr. Melinda Warner Guest Star Anthony Ferraris Tony 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 Joe Chappelle Director Tiller Russell Writer