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 Marlyne Barrett Maggie Lockwood Guest Star Jon Seda Antonio Dawson Guest Star Brian Baumgartner Scott Powers Guest Star Michael Nanfria Darin Whitney Guest Star Christopher Innvar Tom Colletti Guest Star Randy Flagler Capp Guest Star DuShon Monique Brown Connie Guest Star Erin Breen Lt. Alexa Hubble Guest Star Sam Porretta Chief Hatcher 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