David YorstonActingNo biography available.Known For5.3The Green Slime19687.2Sudden Fury19757.2Superman19785.1The Neptune Factor19734.0Rip-Off1971Fan ClubNo Nerds have favorited David Yorston yet — be the first.All fan clubsFrom NerdspinFilmographyActor61978SupermanFilmPetty Officer★ 7.21975Sudden FuryFilmDan★ 7.21973The Neptune FactorFilmDiver Stephens★ 5.11971Rip-OffFilmMath teacher★ 4.01970Love in a 4 Letter WorldFilm★ 3.71968The Green SlimeFilmLt. Curtis★ 5.3