The Mysterious X (Danish: Det hemmelighedsfulde X) is a 1914 Danish silent drama film directed by Benjamin Christensen. It was Christensen's directorial debut. Prints of the film exist in the Det Danske Filminstitut and the Museum of Modern Art.
Cast
Benjamin Christensen as Løjtnant van Hauen
Karen Caspersen as Fru van Hauen
Otto Reinwald as the oldest son
Fritz Lamprecht as Kontreadmiral van Hauen
Amanda Lund as Gamle Jane, barnepige
Hermann Spiro as Grev Spinelli
Bjørn Spiro as Johnny, the youngest son