When a mad scientist begins kidnapping wrestlers and extracting their spinal fluid to create a race of Gill Men, two cops call in Batwoman to investigate. But when her mission leaves the scientist horrifically scarred, he seeks revenge.

• Cinematográfica Calderón S.A.
• Maura Monti
• Roberto Cañedo
• Héctor Godoy
• David Silva
• Crox Alvarado
• Armando Silvestre
• Manuel Capetillo
• Ofelia Chávez