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Olof Bergström as Gustaf Dalén |
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Eva Stiberg as Elma Persson / Elma Dalén |
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Gunnar Björnstrand as Henrik Kugelström |
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Kolbjörn Knudsen as Anders Johansson |
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Erik Strandmark as Mellander |
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Gunnar Sjöberg as Gustaf De Laval |
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Åke Claesson as Professor Wijkander |
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Märta Arbin as Lovisa Johansson |
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Carl Ström as Höjer |
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Hans Strååt as Albin Dalén |
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Gunnar Olsson as Anders Persson |
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Olle Hilding as Bergquist |
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Ernst Eklund as Bank Manager |
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Björn Berglund as Pettersson |
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Gösta Prüzelius as Engineer Gyllsdorf |
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Jan von Zweigbergk as Nyquist |
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Ingvar Kjellson as Engineer Borg |
|
Rolf Huhtaniemi as Young Gustaf Dalén |
| Directing | Gösta Folke | Director |
| Writing | Erik Wästberg | Book |
| Writing | Rune Lindström | Writer |
| Writing | Gardar Sahlberg | Writer |
| Writing | Sten Söderberg | Writer |
