Guest Stars Steven Weber as Dr. Dean Archer Kara Killmer as Paramedic Sylvie Brett Tehmina Sunny as Dr. Sabeena Virani Hannah Riley as Anna Charles Margaret Colin as Carol Conte Joe Miñoso as Firefighter Joe Cruz Jaq Seifert as Dr. Nic Young Cordelia Dewdney as Ramona Davis Justin Rain as Robert Forbes Hanako Greensmith as Paramedic Violet Mikami Tracey Greenwood as Michelle Howard Charlie Farrell as Mark Barragan Kumiko Konishi as Holly Forbes Co Starring Lorena Diaz as Nurse Doris Courtney Rioux as Paramedic Courtney Cesar Jaime as Paramedic Cesar Marie Tredway as Nurse Trinidad "Trini" Campos Desmond Gray as Paramedic Desmond Carlos Rogelio Diaz as Nurse Hank Logan Patrick Byrnes as Psych Tech Jim Collins Sonny Bhatt as Courier Chris Mast as Eddie Howard