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 Annie Ilonzeh Emily Foster Actor Anthony Ferraris Tony Guest Star Amy Morton Trudy Platt Guest Star Randy Flagler Capp Guest Star Daniel Kyri Darren Ritter Guest Star Kristen Lee Gutoskie Chloe Allen Guest Star Alberto Rosende Blake Gallo Guest Star Marina Squerciati Kim Burgess Guest Star Robyn Coffin Cindy Herrmann Guest Star Andy Allo Wendy Seager Guest Star Nick Gehlfuss Dr. Will Halstead Guest Star Patrick Flueger Adam Ruzek Guest Star Derek Haas Executive Producer, Writer Michael Brandt Executive Producer Dick Wolf Executive Producer Peter Jankowski Executive Producer Todd Arnow Executive Producer Andrea Newman Executive Producer, Writer Michael Gilvary Executive Producer, Writer Arthur W. Forney Executive Producer Reza Tabrizi Director Sanford Bookstaver Director Matt Earl Beesley Director Eric Laneuville Director Leslie Libman Director Matt Whitney Writer Michael A. O'Shea Writer Ron McCants Writer Elizabeth Sherman Writer