Guest Stars Joe Miñoso as Firefighter Joe Cruz Christian Stolte as Firefighter Randy "Mouch" McHolland Yuri Sardarov as Firefighter Brian "Otis" Zvonecek Mo Gallini as Firefighter Jose Vargas Linda Powell as Ingrid Mills Alexandra Metz as Elise Mills Jason Beghe as Detective Hank Voight Jon Seda as Vice Detective Antonio Dawson Meghann Fahy as Nicki Rutkowski Co Starring Randy Flagler as Firefighter Harold Capp William Smillie as Kevin Hadley Karen Aldridge as Dr. Kendra Perrington Adam Tanguay as Officer Sobek John Gawlik as Officer Banks Eliza Shin as Dr. Brenner Guy Van Swearingen as Al Rutkowski Parker Mack as Mike Duffy Philip Earl Johnson as Greg Duffy J.J. Phillips as Nippy Jeff Garretson as Hix Joe Sinopoli as Justin Voight Nick Vidal as Haashole Uncredited Anne Lockhart voices Dispatcher