F.B.I. agents David Blair and Thelma Avery are assigned to search for Professor Weiss, who had mysteriously disappeared after discovering an antidote for atomic radiation.

• Publitalia
• Cinelions
• Carole Walker
• Luciano Marin
• Gaetano Quartararo
• Mary Luger
• P. Cruciani
• Renato Terra
• Ugo Fangareggi
• Stefano Pfau