The Prisoner of Karl's Fortress (1916)

Count de Faber is working on a new type of explosives, but reads in a newspaper that the Swedish professor Plussman beat him to it.

Producers	Hasselblads Fotografiska AB
Original title	Fången på Karlstens fästning
Directors	Manne Göthson, Georg af Klercker
Writers	Willy Grebst, Georg af Klercker

Cast

Nils Olaf Chrisander

as Count de Faber

Maja Cassel

as Mary Plussman

Manne Göthson

as Johan Plussman

Arvid Hammarlund

as Doctor Johnson

Gustaf Bengtsson

as de Faber's driver

Victor Arfvidson

as Berger

William Engeström

as Fisherman

Hugo Björne

as student

Sture Baude

as student

Gabriel Alw

as student