Derek Haas Creator, Executive Producer Michael Brandt Creator, Executive Producer Taylor Kinney Kelly Severide 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 Hanako Greensmith Violet Mikami Actor Jocelyn Hudon Lyla Novak Actor Dermot Mulroney Dom Pascal Actor Jake Lockett Sam Carver Actor Randy Flagler Capp Guest Star Anthony Ferraris Tony Guest Star Michael Bradway Jack Damon Guest Star Kadee Strickland Monica Pascal Guest Star James Shinkle Chippy Guest Star Steven Weber Dr. Archer Guest Star Nicholas Caesar Lutz Guest Star Joe Daru Terry Guest Star Trieste Kelly Dunn Lieutenant Gregory Guest Star Shayla Day Landlord Guest Star Matthew Collins Franklin Guest Star Jonathan Nathaniel Chaffin Jenner Guest Star Brian Garvens Marks Guest Star Dick Wolf Executive Producer Peter Jankowski Executive Producer Todd Arnow Executive Producer Andrea Newman Executive Producer, Writer Michael Gilvary Executive Producer Arthur W. Forney Executive Producer Pete Chatmon Director