Georg Rydeberg

Hans Brede

Karin Ekelund

Kristina Brede

Åke Ohberg

Jan Almer

Börje Mellvig

Docent Högberg

Anders Frithiof

Director General Lind

Signe Wirff

Miss Borg

Ivar Kåge

The Doctor

Sten Hedlund

Major Högberg

Gun Adler

Nurse in Brede's Home (uncredited)

Gerda Björne

Woman at the Party (uncredited)

Karl Borg

Doctor (uncredited)

Edvard Danielsson

Priest (uncredited)

Solveig Ekelund

Woman in Laboratory (uncredited)

Åke Engfeldt

Dancing Partner (uncredited)

David Erikson

Beckman, Engineer (uncredited)

Börje Larsson