London, England, World War II. During a bombing, several people are trapped in the basement of a building where the air will run out in only ninety minutes.
| Actor | Role |
|---|---|
 Nani FernándezDoctor Suárez | Doctor Suárez |
 Enrique Guitart MatasRichard | Richard |
 Jacinto San EmeterioAlbert | Albert |
| GGina MontesClara Marchand | Clara Marchand |
| LLolita MorenoHelen Winter | Helen Winter |
 Carlos Muñoz ArosaJohn | John |
 José JaspeMr. Dupont | Mr. Dupont |
 Fernando Fernán GómezMr. Marchand | Mr. Marchand |
 Julia Caba AlbaMrs. Winter | Mrs. Winter |
 José María LadoPreston | Preston |
| PPilar VelaRosa | Rosa |
| FFulgencio NoguerasColonel | Colonel |
| PPepín AcebalColonel's Grandson | Colonel's Grandson |
 Mary LamarJeanette Dupont | Jeanette Dupont |