Dermot Mulroney Dom Pascal Actor 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 Lyla Novak Actor Robyn Coffin Cindy Herrmann Guest Star Amanda Calabrese Annabelle Herrmann Guest Star Katelynn Shennett Kylie Guest Star Carlita Tucker Macy Guest Star Leroy Williams III Ballard Guest Star Darren Barnet Frost Guest Star Ashley Bryant Captain Catherine Hargrave Guest Star Max Martini Deputy District Chief Cranston Guest Star Justin James Boykin Evan Guest Star Addy Stafford Chelsea Guest Star Michael Accardo Ellis Guest Star Michael Reilly Burke Chief Jaworski Guest Star Kellie Cundiff Penn Elizabeth Guest Star Abigail Boucher Mother Guest Star Spencer Hodges Kimber Guest Star Nico Grelli Reggie Guest Star Derek Haas Executive Producer Michael Brandt Executive Producer Dick Wolf Executive Producer Peter Jankowski Executive Producer Todd Arnow Executive Producer Andrea Newman Executive Producer Michael Gilvary Executive Producer Arthur W. Forney Executive Producer Lisa Demaine Director Victor Teran Writer