Jesse Spencer Matthew Casey Actor Taylor Kinney Kelly Severide Actor Charlie Barnett Peter Mills Actor Monica Raymund Gabriela Dawson Actor Lauren German Leslie Shay 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 Sophia Bush Erin Lindsay Guest Star Jeff Hephner Jeff Clarke Guest Star Christine Evangelista Allison Rafferty Guest Star Brittany Curran Katie Nolan Guest Star Marina Squerciati Kim Burgess Guest Star Melissa Ponzio Donna Robbins Guest Star Randy Flagler Capp Guest Star LaRoyce Hawkins Kevin Atwater Guest Star Jake Weary Vince Keeler Guest Star Rom Barkhordar Male Citizen Guest Star Anita Nicole Brown Firehouse Administrative Staff Guest Star Sari Sanchez Prostitute 2 Guest Star Branden Smith Corbin Guest Star Callie Stephens Neighbor Woman Guest Star Will Thompson Looter 2 Guest Star Toya Turner Peaches the Prostitute Guest Star Monica West Mother Guest Star Derek Haas Executive Producer, Writer Michael Brandt Executive Producer Jeffrey Nachmanoff Executive Producer Dick Wolf Executive Producer Peter Jankowski Executive Producer Danielle Gelber Executive Producer Jann Turner Director Tim Talbott Writer