Diễn viên
José Luis Jiménez
Professor Hoffman
Eric del Castillo
Count Brankovan (opening sequence only)
Elsa Cárdenas
Bertha Hoffman
Ramón Bugarini
Jorge Robert
Guillermo Murray
Theo Van Korn / Count Brankovan
Rosa Carmina
Vicky Fuentes
Jaime Fernández
Inspector Portillo
Miguel Ángel Ferriz Sr.
Professor Robert
Yerye Beirute
Kunto (as Jorge Beirute)