Mark HalloranActingNo biography available.Known For7.4M.A.S.K.1985Fan ClubNo Nerds have favorited Mark Halloran yet — be the first.All fan clubsFrom NerdspinFilmographyActor11985M.A.S.K.TVBuddy Hawks / Sly Rax / Cliff Dagger • 75 episodes★ 7.4