Gerard de GrootActingNo biography available.Known For10.0Professor Columbus19685.310:32 in the Morning1966Fan ClubNo Nerds have favorited Gerard de Groot yet — be the first.All fan clubsFrom NerdspinFilmographyActor31975KlaverweideTVBert • 1 episodes1968Professor ColumbusFilm★ 10.0196610:32 in the MorningFilmAnton Smit★ 5.3
