The story about Gustaf Dalén, the farm boy who became one of Sweden's greatest inventors.
as Gustaf Dalén
as Elma Persson / Elma Dalén
as Henrik Kugelström
as Anders Johansson
as Mellander
as Gustaf De Laval
as Professor Wijkander
as Lovisa Johansson
as Höjer
as Albin Dalén
as Anders Persson
as Bergquist
as Bank Manager
as Pettersson
as Engineer Gyllsdorf
as Nyquist
as Engineer Borg
as Young Gustaf Dalén
