Guest Stars Randy Flagler as Firefighter Harold Capp Hanako Greensmith as Paramedic Violet Mikami Katelynn Shennett as Kylie Estevez Nick Gehlfuss as Dr. Will Halstead Patrick John Flueger as Officer Adam Ruzek Jon-Michael Ecker as Lieutenant Greg Grainger Chris McGarry as Chief Gary Mercer Norm Boucher as Ronnie Jennie Moreau as Patty Sasha Kuznetsov as Jacob Mercer Co Starring Anthony Ferraris as Squad 3 Driver Tony Ferraris Curtis Edward Jackson as Eric Sean Fortunato as Mike Tanner Munson as Andrew Katie Gonzalez as Wiegand Ali Goodman as Hostess Kate Christensen as Bystander