Ngai Tat-SamWritingNo biography available.Known For7.0He Ain't Heavy, He's My Father19934.0A Lifetime Treasure2019Fan ClubNo Nerds have favorited Ngai Tat-Sam yet — be the first.All fan clubsFrom NerdspinFilmographyWriting22019A Lifetime TreasureFilmScreenplay★ 4.01993He Ain't Heavy, He's My FatherFilmStory★ 7.0