This documentary begins searching for the whereabouts of the films that Servando Gonzalez did about the events of October 2nd 1968 in Tlatelolco, research that later will deal with the fire of March 24th 1982 at the National Film Archives, which destroyed a lot of important part of the footage from Mexico.
| Actor | Role |
|---|---|
 Alfredo GurrolaNot listed | Not listed |
 Daniel Giménez CachoNot listed | Not listed |
 Jorge Ayala BlancoNot listed | Not listed |
| ÓÓscar MenéndezNot listed | Not listed |