Jesse Spencer Matthew Casey Actor Taylor Kinney Kelly Severide Actor Eamonn Walker Chief Wallace Boden Actor David Eigenberg Christopher Herrmann Actor Joe Minoso Joe Cruz Actor Christian Stolte Randy "Mouch" McHolland Actor Kara Killmer Sylvie Brett Actor Miranda Rae Mayo Stella Kidd Actor Alberto Rosende Blake Gallo Actor Randy Flagler Capp Guest Star Anthony Ferraris Tony Guest Star Kristen Lee Gutoskie Chloe Guest Star Jimmy Nicholas Chief Hawkins Guest Star Katelynn Shennett Kylie Guest Star Chris Mansa Mason Locke Guest Star Carlos S. Sanchez Javi Guest Star Tom Jansson Eddie Guest Star Derek Haas Executive Producer Michael Brandt Executive Producer Dick Wolf Executive Producer Peter Jankowski Executive Producer Todd Arnow Executive Producer Andrea Newman Executive Producer Michael Gilvary Executive Producer Arthur W. Forney Executive Producer Reza Tabrizi Director Ashley Cooper Writer