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 Teri Reeves Hallie Thomas Actor Joe Minoso Joe Cruz Guest Star Yuri Sardarov Brian Zvonecek Guest Star Christian Stolte Randall McHolland Guest Star Brooke Nevin Tara Little Guest Star William Smillie Hadley Guest Star Randy Flagler Capp Guest Star Robyn Coffin Cindy Herrmann Guest Star Sam Porretta Chief Hatcher Guest Star Tony Bozzuto Dennis Guest Star Ian Bratschie Pot Grower Guest Star Molly Glynn 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 Arthur W. Forney Director Andrea Newman Writer Michael Gilvary Writer