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Frédéric Joliot-Curie as Self - Professor |
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Raoul Dautry as Self - Rustningsminister |
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Henki Kolstad as Sersjant Einar Skinnarland |
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Johannes Eckhoff as Fenrik Knut Hauglund |
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Claus Wiese as Fenrik Joachim Rønneberg |
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Øyvind Øyen as Major Professor Leif Tronstad |
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Andreas Aabel as Fenrik Kasper Idland |
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Odd Rohde as Sersjant Birger Strømsheim |
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Rolf Sørlie as Self - Ingeniør |
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Torstein Skinnarland as Self - Damvokter |
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Lew Kowarski as Self - Laboratoriesjef |
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H.H. Halban as Self - Professor |
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Allier as Self - Sprengstoff-offiser |
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Jens A. Poulsson as Self - Fenrik |
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Arne Kjelstrup as Self - Sersjant |
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Claus Helberg as Self - Sersjant |
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Knut Haukelid as Self - Fenrik |
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Hans Storhaug as Self - Sersjant |
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Fredrik Kayser as Self - Sersjant |
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Knut Lier-Hansen as Self |
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David Knudsen as Generaldirektør Axel Aubert |
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Thorleif Reiss as Ingeniør Jomar Brun |
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Finn Bernhoft as En vaktmann |
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Einar Vaage as En maskinist |
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Halvor Haugen as En gammel mann |
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Ola Hansen as Sjåfør |
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Harald Schwenzen as Generaloberst Nicolaus von Falkenhorst |
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Alf Nøkle as En utsending |
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Stevelin Urdahl as En militæringenør |
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Folkman Schaanning as En teknisk rådgiver |
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Hartvig Kiran as Kommentarer lest av |
| Camera | Hilding Bladh | Director of Photography |
| Camera | Marcel Weiss | Director of Photography |
| Directing | Jean Dréville | Director |
| Directing | Titus Vibe-Müller | Director |
