John Porter-DavisonActing • 1938-01-01 • Scotland, UKNo biography available.Known For6.2The System19646.4Hannibal Brooks1969Fan ClubNo Nerds have favorited John Porter-Davison yet — be the first.All fan clubsFrom NerdspinFilmographyActor51969Hannibal BrooksFilmGeordie★ 6.41968The ChampionsTVHans • 1 episodes★ 6.51964The Wednesday PlayTVEdward Barking • 1 episodes★ 5.21964The SystemFilmGrib★ 6.21961The AvengersTVJacobs • 1 episodes★ 7.8