It's important to note that these films are notorious for being fake and exploitative, often using graphic footage of animals and staged violence to shock viewers. They are not considered to be actual documentaries and should not be taken as such.
While the "Faces of Death" series features real people, the actors and actresses are not credited in the films. The creators of these films have a history of using misleading and potentially unethical practices, including the use of actors and actresses to simulate real violence.