Dave KarlstadtActingNo biography available.Known For10.0Schoolmates II: Summer Sessions197610.0Twins1980Fan ClubNo Nerds have favorited Dave Karlstadt yet — be the first.All fan clubsFrom NerdspinFilmographyActor21980TwinsFilm(segment "Fraternal Twins") (archive footage)★ 10.01976Schoolmates II: Summer SessionsFilmJohn Berry★ 10.0
