Jesse Spencer Matthew Casey Actor Taylor Kinney Kelly Severide Actor Charlie Barnett Peter Mills 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 James Russo Papa Lullo Guest Star Serinda Swan Brittany Baker Guest Star Randy Flagler Capp Guest Star Jesse Lee Soffer Jay Halstead Guest Star Amy Morton Trudy Platt Guest Star Anthony Ferraris Tony Guest Star Gene Weygandt Chief Jones Guest Star Tyler Young Jason Lullo Guest Star Jordan Cornwell Danny Guest Star Torey Adkins Semi-Tanker Truck Driver Guest Star Justin James Farley Security Guard Guest Star Christine Tawfik ER Doctor 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 Jean de Segonzac Director Andrea Newman Writer