Geneviève BujoldDr. Susan Wheeler Michael DouglasDr. Mark Bellows Elizabeth AshleyMrs. Emerson Richard WidmarkDr. Harris Michael MacRaeChief Resident Gary BartonComputer Technician Charles SiebertDr. Goodman William WintersoleLab Technician Ernest AndersonFirst Doctor Joni PalmerDance Instructor Philip G. BrooksDr. Richards Dick Balduzzi1st Maintenance Man Gary Bisig2nd Maintenance Man Duane Tucker1st Man in Shower Del Hinkley2nd Man in Shower Michael Mann2nd Technician Sarina C. GrantWoman in Elevator David McKnightMan in Elevator Gerald BenstonAnesthetist Ed HarrisPathology Resident Joe BratcherSurgical Resident Martin SpeerSurgical Resident Roger NewmanSurgical Resident Paul DavidsonSurgical Resident Vaughn ArmstrongJefferson Institute Security Guard (uncredited) Jason BernardSurgical Resident (uncredited) Gerald BernsSecurity Guard (uncredited) Jeffrey CorazziniPatient (uncredited) Bob DioSubway Passenger (uncredited) Philip Baker HallDoctor (uncredited) Edward C. HigginsSecurity Guard (uncredited) Mary D. MascariDoctor (uncredited) Gerry VichiAmbulance Driver (uncredited) Nicholas WorthPatterson Institute Chief of Security (uncredited) Robert BurtonPathology Resident Michael CrichtonDirector / Guión Martin ErlichmanProductor Albert BrennerProduction Design Rick SimpsonSet Decoration Victor J. KemperDirector Of Photography Don SchoenfeldMakeup Artist Carolyn FergusonHairstylist Jerry GoldsmithCompositor de música original Phil RawlinsUnit Production Manager 
