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 Miranda Rae Mayo Stella Kidd Guest Star Brian White Dallas Patterson Guest Star Randy Flagler Capp Guest Star Fredric Lehne Chief Ray Riddle Guest Star Jon Seda Antonio Dawson Guest Star Ralph Rodriguez Freddie Clemente Guest Star Nick Gehlfuss Will Halstead Guest Star Anthony Ferraris Tony Guest Star DuShon Monique Brown Connie Guest Star Derek Haas Executive Producer, Writer Michael Brandt Executive Producer, Writer Jeffrey Nachmanoff Executive Producer Dick Wolf Executive Producer Peter Jankowski Executive Producer Danielle Gelber Executive Producer Joe Chappelle Director Reza Tabrizi Director Sanford Bookstaver Director Andrea Newman Writer Sarah Kucserka Writer Tiller Russell Writer Ian McCulloch Writer Jill Weinberger Writer Michael A. O'Shea Writer Veronica West Writer Michael Gilvary Writer Ally Seibert Writer