John GripentrogActingNo biography available.Known For6.2Green Dragon20013.6The Whispering1995Fan ClubNo Nerds have favorited John Gripentrog yet — be the first.All fan clubsFrom NerdspinFilmographyActor42001Green DragonFilmAmerican Server★ 6.21995The WhisperingFilmProf. Bettman★ 3.61992RenegadeTVHardware Store Manager • 1 episodes★ 6.81989Saved by the BellTVMr. Heimlich (uncredited) • 1 episodes★ 7.8
