Derek Haas Creator, Executive Producer Michael Brandt Creator, Executive Producer Taylor Kinney Kelly Severide Actor David Eigenberg Christopher Herrmann Actor Joe Minoso Joe Cruz Actor Christian Stolte Randy "Mouch" McHolland Actor Kara Killmer Sylvie Brett Actor Miranda Rae Mayo Stella Kidd Actor Hanako Greensmith Violet Mikami Actor Jocelyn Hudon Lizzy Novak Actor Dermot Mulroney Dom Pascal Actor Jake Lockett Sam Carver Actor Randy Flagler Capp Guest Star Anthony Ferraris Tony Guest Star Michael Bradway Jack Damon Guest Star Tim Hopper Van Meter Guest Star Kadee Strickland Monica Pascal Guest Star Keith Kupferer Captain Robert Bishop Guest Star Ava Torres Natalie Evans Guest Star Steven Strait Flynn Calhoun Guest Star Holly Hinchliffe Tori Guest Star Phil Donlon Lt. Stephen Vale Guest Star Dick Wolf Executive Producer Peter Jankowski Executive Producer Todd Arnow Executive Producer Andrea Newman Executive Producer, Writer Michael Gilvary Executive Producer Arthur W. Forney Executive Producer Paul McCrane Director Alec Wells Writer William Eichler Director Victor Teran Writer Lisa Demaine Director Matt Whitney Writer Reza Tabrizi Director Matt Earl Beesley Director Lisa Robinson Director