People Leonard Koss peoplepill id: leonard-kossLK 8 views today 8 views this weekLeonard KossBiographyListsAlso ViewedThe basicsQuick FactsisScreenwriter Film crew memberListsLeonard Koss is in following listsBy work and/or countryNotable ScreenwritersNotable Film crew members comments so far.CommentsLeonard Koss