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 Dora Madison Jessica "Chili" Chilton Actor Steven R McQueen Jimmy Borrelli Actor Eric Mabius Jack Nesbitt Guest Star Rachel Nichols Jamie Killian Guest Star Brian White Dallas Patterson Guest Star Fredric Lehne Chief Ray Riddle Guest Star Amy Morton Trudy Platt Guest Star Yaya DaCosta April Sexton Guest Star Jason Beghe Hank Voight Guest Star Anthony Ferraris Tony Guest Star DuShon Monique Brown Connie Guest Star Mindy Bell Suzie Wilder Guest Star Stephen Eugene Walker Nick Duffy Guest Star Phillip Edward Van Lear Agent Conway Guest Star Jack McLaughlin-Gray Carl Guest Star Erin Noel Grennan Neonatal Nurse 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 Sanford Bookstaver Director Tiller Russell Writer