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 Amy Morton Trudy Platt Guest Star Robyn Coffin Cindy Herrmann Guest Star DuShon Monique Brown Connie Guest Star Melissa Ponzio Donna Robbins Guest Star John Karna Alan Guest Star Randy Flagler Capp Guest Star Michael Nanfria Darin Whitney Guest Star Juan Lozada James Guest Star Anthony Ferraris Tony Guest Star Erin Breen Lt. Alexa Hubble Guest Star Danica Monroe Colleen Guest Star Tonray Ho Nurse Leah 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