Crime, Action, Science Fiction, Mystery | May 20, 1966
Crime, Action, Science Fiction, Mystery | May 20, 1966
| Producers | |
| Original title | La mano que aprieta |
| Directors | Tito Novaro, Alfredo B. Crevenna |
| Writers |
as Satan
as Ángel
as Anna
as Professor Resnik
as Nando
as Carmen Sanchez-Peña
as Professor Davenport
as Antonio
as Sra. Sanchez-Peña
as Inspector Saldivar
as Gustavo
as Ramiro
as Ramón (as Guillermo Hernández 'Lobo Negro')
as Wrestler