Guest Stars Julie Benz as Inspector Abby Dunn Michael McMillian as Chris Dalton Olga Fonda as Anna Novick Derek Webster as Elliot Brenner Co Starring Dennis Chun as Sergeant Duke Lukela Ingo Rademacher as Robert Coughlin Regan Downie as Paramedic Andre Weller Danielle Zalopany as Surgical Assistant Jimmy Borges as David Yang