Darsteller und CrewEdgar G. UlmerRegisseur:inKendall EmersonHimself - Managing Director of the National Tuberculosis AssociationEdgar MayerHimself - Assistant Professor of Medicine, Cornell University Medical SchoolRalph S. MuckenfussHimself - Director of the Bureau of Laboratories, New York City Department of HealthEsmond OngHimself - Director of the Henry Phipps Institute