81 mins | Science Fiction, Horror | Feb. 5, 1969
81 mins | Science Fiction, Horror | Feb. 5, 1969
| IMDb rating | 4.8 |
| Producers | Cinematográfica Calderón S.A. |
| Original title | La horripilante bestia humana |
| Directors | René Cardona |
| Writers | René Cardona, René Cardona Jr. |
as Dr. Krallman
as Goyo
as Lt. Arturo Martinez
as Lucy Ossorio
as Julio Krallman
as Monstruo
as Victim
as Woman in Shower
as Security Chief