Guest Stars Randy Flagler as Firefighter Harold Capp Robyn Coffin as Cindy Herrmann Jon Seda as Detective Antonio Dawson Steven R. McQueen as Jimmy Borrelli Nick Gehlfuss as Dr. Will Halstead Brian White as Captain Dallas Patterson Rachel Nichols as Jamie Killian Susannah Flood as Athena Bailey-Johnson Samuel Hunt as Craig "Mouse" Gurwitch Co Starring Anthony Ferraris as Squad 3 Driver Tony Ferraris Cheridah Best as Nurse Stephen Eugene Walker as Commander Nick Duffy Brad Einstein as Ian Stella Martin as Obstetrician Richard Strimer as Noah Manny Buckley as Paramedic Schoen Smith as Assistant Bob Beck as Gary Courtney Cavanagh as Maura Sullivan Ian Paul Custer as Anthony Jaden Klein as Kevin Sullivan Russ Williamson as Lionel Uncredited Anne Lockhart voices Dispatcher