Lars Hanson
Victor Barring
Gunnel Broström
Eva Barring
Olof Bergström
Arne Hedberg
Nils Dahlgren
Harald Barring
Anna Lindahl
Margit Barring
Arne Ragneborn
Bengt
Georg Funkquist
Dr. Kanzel
Wiktor Andersson
Ekman
David Erikson
Ewers
Erik Rosén
Chief Physician
Magnus Kesster
Kanzel's Henchman
Harry Ahlin
Sven Bergvall
Member of Royal Academy of Sciences
Britta Billsten
Lab Assistant (uncredited)
