Manolo Fábregas as Carlos Encinas / Asesino X

Carlos López Moctezuma as Alcalde Harrison García

Prudencia Grifell as Señora Encinas

Maricruz Olivier as María Encinas

Miguel Ángel Ferriz Sr. as Juez

Miguel Manzano as Fiscal

Rafael Banquells as Sargento Ralph Curtis

Lupe Inclán as Chona

Antonio Raxel as Teniente Roland

Fernando Mendoza as Doctor

Arturo Soto Rangel as Padre Juan

José Muñoz as Inspector González

Salvador Lozano as Amigo de Robert Francis

Chel López as Detective

Rafael Estrada as Elevadorista

Narciso Busquets as Narrador