A devastating atomic device is about to fall on a small town, which is evacuated. Only thirteen inhabitants remain, gathered in a church.
| Actor | Role |
|---|---|
 Emma PenellaNot listed | Not listed |
 José Luis OzoresNot listed | Not listed |
 Antonio OzoresNot listed | Not listed |
 Carlos BallesterosNot listed | Not listed |
 Mabel KarrNot listed | Not listed |
| EEnrique VilchesNot listed | Not listed |
 Mercedes Muñoz SampedroNot listed | Not listed |
 Mari Carmen PrendesNot listed | Not listed |
 Elisa MontésNot listed | Not listed |
 Rafael ArcosNot listed | Not listed |
 Carlos EstradaNot listed | Not listed |
 Luis PrendesNot listed | Not listed |
 Fernando ReyNot listed | Not listed |
 Julia MartínezNot listed | Not listed |
 Jesús PuenteNot listed | Not listed |
| MMaría Teresa DresselNot listed | Not listed |
| CConsuelo GonzálezNot listed | Not listed |
| CCarlos OllerNot listed | Not listed |
| MManuel AlberdiNot listed | Not listed |
| LLuis M. CarrilloNot listed | Not listed |
| FFelipe Martín PuertasNot listed | Not listed |
| JJosé María del RíoNot listed | Not listed |
| FFernando GómezNot listed | Not listed |
| PPilar GentilMaría Teresa Dressel (voice) (uncredited) | María Teresa Dressel (voice) (uncredited) |
| JJosefina de LunaMabel Karr (voice) (uncredited) | Mabel Karr (voice) (uncredited) |