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Sabine Bethmann as Elsa Wolff |
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Conrado San Martín as Richard Wolff |
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Gérard Tichy as Captain Kramer |
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Julio Peña as Frederik |
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Julia Martínez as Joanna |
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Carlos Larrañaga as |
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Mariano Azaña as |
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Fernando Sancho Les as |
| Crew | Emilio Ruiz del Río | Special Effects |
| Art | Luis Pérez Espinosa | Set Decoration |
| Writing | José Antonio Medrano | Writer |
| Directing | César Fernández Ardavín | Director |
| Art | Gil Parrondo | Set Decoration |
| Crew | Manuel Berenguer | Cinematography |
| Writing | Alfredo Echegaray | Writer |
| Writing | José María de Quintana | Writer |
| Sound | Emilio Lehmberg | Music |
