This documentary, filmed clandestinely, is based on several interviews with the executioners who worked in Spain during the early 1970s, as well as families of people executed by them.
| Actor | Role |
|---|---|
 Claudio RodríguezNarrador (voice) | Narrador (voice) |
| VVicente CopeteSelf | Self |
| AAntonio LópezSelf | Self |
| BBernardo SánchezSelf | Self |
| MMarino VinuesaSelf | Self |
| AAndrés Sánchez CascosSelf | Self |
| JJosé Velasco-EscassiSelf | Self |
| AAntonio Ferrer SamaSelf | Self |
| JJesus Sanchez TelloSelf | Self |