Guest Stars Marc Grapey as Peter Kalmick Roland Buck III as Dr. Noah Sexton Mekia Cox as Robin Charles Eddie Jemison as Dr. Stanley Stohl Elias Koteas as Detective Alvin Olinsky Helen Joo Lee as Shannon Kim Peter Y. Kim as Bruce Kim Matt Fischel as Harold Rosenblatt Lynn Milgrim as Sylvia Rosenblatt Michael Perez as Vince Kramer Co Starring Lorena Diaz as Nurse Doris Courtney Rioux as Paramedic Courtney Cesar Jaime as Paramedic Cesar Casey Tutton as Nurse Monique Lawson Desmond Gray as Paramedic Desmond Tosin Morohunfola as Dr. Allan Vorspan Peter Defaria as Officer Tackett Donna Jay Fulks as CDC Lt. Commander Ellen Hart Steve Herson as Maintenance Man Connie Foster as Marge Cooper Jose N. Mediola as Carlos Suarez Chuck Barman as Santa / Bill Cooper Catherine Bustos as Elf Laura Lodewyck as Little Kid's Mom Jack Gallo as Little Kid Dev Kennedy as Rick Williams