A surgeon transplants the heart of an ape into his ailing son with horrific results.
José Elías Moreno
as Dr. Krallman
Carlos López Moctezuma
as Goyo
Armando Silvestre
as Lt. Arturo Martinez
Norma Lazareno
as Lucy Ossorio
Agustín Martínez Solares
as Julio Krallman
Gerardo Zepeda
as Monstruo
Noelia Noel
as Redhead victim
Gina Morett
as Woman in Shower
Nathanael León
as Security Chief
