Harry Friberg photographs a mysterious lightning in the water outside the Blockhusudden. The light turns out to flow over a murder.
as Harry Friberg
as Vesper Johnson
as Clara Lessler
as Nils Lessler
as Mary Lessler
as Leo Lessler
as Helen Lessler
as Hilda Tapper
as Sven Lessler
as Gilbert Lessler
as Clason
as Lena
as Photographer
as Captain Larsson
as Flower Girl
as Miss Kallenberg
as Man at bridge
as The Boy
as Salesman
as Hotel Porter
as Crime Tech #2
as Crime Tech #1
as Crime Detective
as Mrs. Kallvik
as Waiter
as Dr. Gerhard
as Cleaner
as Kriminalpolis 2
