Guest Stars Christian Stolte as Firefighter Randy "Mouch" McHolland Joe Miñoso as Firefighter Joe Cruz Yuri Sardarov as Firefighter Brian "Otis" Zvonecek Jon Seda as Detective Antonio Dawson Jason Beghe as Sergeant Hank Voight Larisa Polonsky as Zoja Ora Jones as Rochelle Leppert Tania Raymonde as Officer Nicole Sermons Christopher Cousins as Steven Goody Scott Eastwood as Officer Jim Barnes Robin Weigert as IA Handler Erica Gradishar J.B. Smoove as Sergeant Pruitt Melissa Sagemiller as Detective Julie Willhite Kelly Blatz as Officer John Elam Co Starring Randy Flagler as Firefighter Harold Capp LaRoyce Hawkins as Kevin Atwater Mia Park as Nurse Beth Cole Brandon Bowens as Police Officer Allison Latta as Esther James Zoccoli as Tlm Campbell Michael Goldberg as Gary Grace Etzkorn as Sophie Philip Earl Johnson as Greg Duffy Parker Mack as Mike Duffy David Aron Damane as Maurice Owens Samantha Bailey as Receptionist Shaun Licata as Denise Anna Baird Galloway as Waitress Chuck Quinn as Delivery Man Phil Pritchard as Stanley Cup Keeper Rian Jairell as Freddy Uncredited Anne Lockhart voices Dispatcher