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 Sarah Shahi Renée Royce Guest Star Mo Gallini Jose Vargas Guest Star Joe Minoso Joe Cruz Guest Star Yuri Sardarov Brian Zvonecek Guest Star Christian Stolte Randall McHolland Guest Star Ron Dean James Whoritsky Guest Star Cody Sullivan Ernie Guest Star Jeff Lima Leon Cruz Guest Star Randy Flagler Capp Guest Star William Smillie Hadley Guest Star Katherine Cunningham Corrine Guest Star José Antonia García Flaco Guest Star Darrell W. Cox Raymond Martin Guest Star Lance Baker Mark Guest Star Laura Fisher Business Woman Guest Star Tom McElroy Dr. Tenney 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 Tom DiCillo Director Hilly Hicks Jr. Writer