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 Brian Tee Ethan Choi Guest Star Jon Seda Antonio Dawson Guest Star Gary Cole Chief Grissom Guest Star Ariane Rinehart Lily Guest Star Ed Amatrudo Roger Norwood Guest Star Randy Flagler Capp Guest Star DuShon Monique Brown Connie Guest Star Adam Shalzi Patrick Guest Star Lorena Diaz Nurse Doris Guest Star Tanya Thai McBride ICU Nurse Guest Star Ron Ware Neighbor 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