Robert John KeiberActingNo biography available.Known For3.8Let's Kill Grandpa20178.1Taxi Driver1976Fan ClubNo Nerds have favorited Robert John Keiber yet — be the first.All fan clubsFrom NerdspinFilmographyActor22017Let's Kill GrandpaFilmKenny★ 3.81976Taxi DriverFilmPolitical Rally Attendee (uncredited)★ 8.1