Dr. Krallman (as Joe Elias)
Goyo (as Carl Lopez)
Lt. Arturo Martínez (as Armand Silva)
Lucy Osorio (as Norma Lazar)
Julio Krallman (as August Martin)
Sargento Ramón
Monstruo / Monster (as Gerard Zepeda)
Víctima pelirroja
Vítima regadera / Woman in shower (as Gina Moret)
Doctor conferencia (uncredited)
Carlhillos (periodista) (uncredited)
Unknown (uncredited)
Niño (uncredited)
Recepcionsita telefono hospital (uncredited)
Periodista (uncredited)
Doctor asesinado (uncredited)
Recepcionista telefono hospital (uncredited)
Doctor (uncredited)
Nuclear physicist (uncredited)
Doctor servicio secreto (uncredited)
Jefe policía / police chief (uncredited)
Tendero asesinado (uncredited)
Mujer encuentra muerto (uncredited)
Vecino mujer asesinada (uncredited)
Agente Policía (uncredited)
Agente policía (uncredited)
Espectador lucha (uncredited)
Director zoológico (uncredited)
Operadora telefono hospital (uncredited)
Policía asesinado (uncredited)
(uncredited)
Mujer con té (uncredited)
Espectador multitud (uncredited)
Testigo (uncredited)
Elena Gómez the wrestler (uncredited)
Espectadora lucha (uncredited)
Médico arena (uncredited)