Special Guest Stars Nick Gehlfuss as Dr. Will Halstead Eamonn Walker as Battalion Chief Wallace Boden David Eigenberg as Lieutenant Christopher Herrmann Oliver Platt as Dr. Daniel Charles S. Epatha Merkerson as Chief Administrator Sharon Goodwin Guest Stars Markie Post as Barbara "Bunny" Fletcher Barbara Eve Harris as Commander Emma Crowley Kevin Kane as Officer Mike Sorensen Corey Brill as Robert Dean Annabel Armour as Judge Fern Sikorsky Caryn West as Cathy Dougherty Dave Thomas Brown as Carl Dougherty Co Starring Danny Martinez as Patrolman Garcia Steve Schine as Curtis Andre Truss as Booker Ford Jessica Lauren East as Patrolman Riley Brian Luce as Tact Officer