Jason TwelvetreesActingNo biography available.Known For5.3Not Tonight, Darling19714.0Foursome19716.2Blood on Satan's Claw1971Fan ClubNo Nerds have favorited Jason Twelvetrees yet — be the first.All fan clubsFrom NerdspinFilmographyActor41971Blood on Satan's ClawFilmNed Carter (uncredited)★ 6.21971Not Tonight, DarlingFilmJohn / husband★ 5.31971FoursomeFilmBert★ 4.01970The Company ManFilmMr. Roberts★ 8.0