Special Guest Stars David Eigenberg as Firefighter Christopher Herrmann Eamonn Walker as Battalion Chief Wallace Boden Taylor Kinney as Lieutenant Kelly Severide Christian Stolte as Lieutenant Randy "Mouch" McHolland Kara Killmer as Paramedic Sylvie Brett Monica Raymund as Gabriela Dawson Joe Miñoso as Firefighter Joe Cruz Jesse Spencer as Matthew Casey Guest Stars Ariana Cordero as Eva Dawson James Colby as Bomb Unit Sergeant Ray Dwyer Danny McCarthy as Mark Tremon Co Starring Sean Michael Sullivan as Bomb Squad Tech Charles Lang Rebecca Hurd as Sheri Michael Carollo as Officer Jason Bradley as Larry Shepard Brianna Borger as Shelby Sophie Kaegi as 12 Year Old Girl Brian Huther as Patrol Officer Joey Mendez Bri Sudia as Amy Michael Sherwin as Allen Tullis Antoine Pierre as Tommy Todd A. Horman as George Lehr (Civilian) Rudy Galvan as Malcolm Keith Kupferer as Joe
