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Olof Bergström

as

Gustaf Dalén

Eva Stiberg

as

Elma Persson /...

Gunnar Björnst...

as

Henrik Kugelst...

Kolbjörn Knuds...

as

Anders Johanss...

Erik Strandmark

as

Mellander

Gunnar Sjöberg

as

Gustaf De Laval

Åke Claesson

as

Professor Wijk...

Märta Arbin

as

Lovisa Johanss...

Carl Ström

as

Höjer

Hans Strååt

as

Albin Dalén

Gunnar Olsson

as

Anders Persson

Olle Hilding

as

Bergquist

Ernst Eklund

as

Bank Manager

Björn Berglund

as

Pettersson

Gösta Prüzelius

as

Engineer Gylls...

Jan von Zweigb...

as

Nyquist

Ingvar Kjellson

as

Engineer Borg

Rolf Huhtaniemi

as

Young Gustaf D...