Guest Stars Julie Benz as Inspector Abby Dunn Derek Webster as Elliot Brenner Olga Fonda as Anna Novick Michael McMillian as Chris Dalton 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