The three witnesses Johnny interviews represent specific societal "sicknesses" of the era: : A former soldier brainwashed during the Korean War.
: Written, directed, and produced by Samuel Fuller , a filmmaker known for his "sledgehammer" style and use of stylized lighting to create a psychological atmosphere. and produced by Samuel Fuller
: A nuclear scientist who has regressed to a childlike state due to the guilt of his work. Impact and Legacy and produced by Samuel Fuller