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, Lauren Actor, Guest Star Jeanine Mason Lucy Zambetti Guest Star Leroy Williams III Ballard Guest Star Dan Bakkedahl Uncle Larry Guest Star Tatiana Ringsby Heidi Novak Guest Star James Errico Charlie Guest Star Nathan Becker Adam Guest Star Pilot Saraceno Claire James Guest Star Christina Harper Bri Guest Star Drew Fortman Rob Guest Star Gregory Lacey Middle-Aged Man 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 Sheelin Choksey Director Matt Whitney Writer