Det hemmelighedsfulde X Skuespillere og folkene bag
Benjamin ChristensenLieutenant van Hauen / Instruktør / Forfatter / Production Design / Filmklipper Karen SandbergLieutenant van Hauren's Wife Fritz LamprechtRear Admiral van Hauen Amanda LundOld Jane, nurse Hermann SpiroCount Spinelli Otto Reinwaldvan Hauen's oldest son Bjørn SpiroJohnny, van Hauen's youngest søn Holger RasmussenNaval officer Charles LøwaasNaval officer Finn WennerwaldNaval officer Benjamin ChristensenLieutenant van Hauen / Instruktør / Forfatter / Production Design / Filmklipper Emil DinesenDirector Of Photography 
