Guest Stars Randy Flagler as Firefighter Harold Capp Daniel Kyri as Darren Ritter Alberto Rosende as Blake Gallo Steven Boyer as Assistant Deputy Commissioner Jerry Gorsch Torrey DeVitto as Dr. Natalie Manning David Selby as Tim Larson Co Starring Anthony Ferraris as Squad 3 Driver Tony Ferraris Dev Kennedy as Deputy Chief Don Freeman Brett Bezad as Assistant Gage Wallace as Preacher Gabrielle Maalihan as Starr Madeline Ford as Zandra John Frier as Aaron Erin Barlow as Cynthia Matt Forte as Weston Teharah J. Smith as Laura Martin Vasily Deris as Male Neighbor Kevin Sorenson as Fifth Chain Member Brian Harlan as Chain Member Dave Wannstedt as Dave Wannstedt Uncredited Anne Lockhart voices Dispatcher