cast
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Georg Rydeberg
Hans Brede
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Karin Ekelund
Kristina Brede
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Åke Ohberg
Jan Almer
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Börje Mellvig
Docent Högberg
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Anders Frithiof
Director General Lind
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Signe Wirff
Miss Borg
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Ivar Kåge
The Doctor
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Sten Hedlund
Major Högberg
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Gun Adler
Nurse in Brede's Home (uncredited)
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Gerda Björne
Woman at the Party (uncredited)
- Karl Borg Doctor (uncredited)
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Edvard Danielsson
Priest (uncredited)
- Solveig Ekelund Woman in Laboratory (uncredited)
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Åke Engfeldt
Dancing Partner (uncredited)
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David Erikson
Beckman, Engineer (uncredited)
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Margareta Fahlén
Woman at the Party (uncredited)
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Arthur Fischer
Doctor (uncredited)
- Erik Forslund Gardener (uncredited)
- Gösta Grip Man in Laboratory (uncredited)
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Helga Hallén
Nurse (uncredited)
- Ann-Marie Hellgren Nurse (uncredited)
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Mary Hjelte
Nurse (uncredited)
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Douglas Håge
Ticket Salesman (uncredited)
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Lillebil Kjellén
Woman at the Party (uncredited)
- Birgit Linder Woman in Laboratory (uncredited)
- Millan Lyxell Nurse (uncredited)
- Rolf Sandberg Man in Laboratory (uncredited)
- Bert Sorbon Man in Laboratory (uncredited)
- Nils von Brömssen Doctor (uncredited)
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Eric von Gegerfelt
Man in Laboratory (uncredited)
- Linnea Witzén Nurse (uncredited)
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Birger Åsander
Station Inspector (uncredited)
- Robert Ryberg Audience at the Concert (uncredited)