Home/Oscars 2018 Winners/Actress in a Supporting Role1 / 1ItemActress in a Supporting Rolein Oscars 2018 Winners by The CinephileLike this itemFollow The CinephileOpen in appActress in a Supporting Role on “Oscars 2018 Winners”, a list by The Cinephile on TheLysts.DetailsWinnerAllison JanneyFilmI, TonyaYear2018CountryUSAGenreBiographicalAward TypeActingStudioNeonRuntime120 minLanguageEnglishRelease Year2017NotesSupporting rolePreviousActress in a Leading RoleNextAnimated Feature FilmRelated itemsActor in a Leading RoleActor in a Supporting RoleActress in a Leading RoleAnimated Feature FilmReport