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 Yuri Sardarov Brian "Otis" Zvonecek 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 Randy Flagler Capp Guest Star Daniel Kyri Darren Ritter Guest Star Aaron Munoz Kevin Klinginpill Guest Star Teddy Sears Kyle Sheffield Guest Star Erin Breen Alexa Hubble Guest Star Ariane Rinehart Lily Guest Star Zenzi Williams Niya Curtis Guest Star Samantha Massell Olivia Guest Star Collin McShane Jason Guest Star Holly Dowell Claire 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 Stephen Cragg Director Matt Whitney Writer Jamila Daniel Writer