Waldemar HansenWriting • 1869-11-22No biography available.Known For3.5My Sister-in-Law from America1917The Clown's Revenge1912Fan ClubNo Nerds have favorited Waldemar Hansen yet — be the first.All fan clubsFrom NerdspinFilmographyWriting3Actor2Directing1Production11917My Sister-in-Law from AmericaFilmWriter★ 3.51912The Clown's RevengeFilmWriter1912Countess CharlotteFilmWriter