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 Joe Minoso Joe Cruz Guest Star Yuri Sardarov Brian Zvonecek Guest Star Christian Stolte Randall McHolland Guest Star Zack Ward Ted Griffin Guest Star Nicole Forester Christie Guest Star Karin Anglin Sandra Vaughn Guest Star Kathleen Quinlan Nancy Casey Guest Star Jeff Lima Leon Cruz Guest Star Randy Flagler Capp Guest Star William Smillie Hadley Guest Star José Antonia García Flaco Guest Star Christopher Meister Detective 1 Guest Star Jonathan Keaton Eyewitness Guest Star Ian Daniel McLaren Renee's Assistant 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 Steve Shill Director Michael Gilvary Writer