Spies hold the son of a nuclear physicist (Gene Barry) hostage in exchange for the Los Alamos bomb formula. Spies hold the son of a nuclear physicist (Gene Barry) hostage in exchange for the Los Alamos bomb formula. Spies hold the son of a nuclear physicist (Gene Barry) hostage in exchange for the Los Alamos bomb formula. Spies hold the son of a nuclear physicist (Gene Barry) hostage in exchange for the Los Alamos bomb formula.