Cameron SeelyActing • 2007-02-17 • United StatesNo biography available.Known For6.9The Grinch20187.8The Greatest Showman20175.8The Jim Gaffigan Show20155.7Christmas Break-In2018Fan ClubNo Nerds have favorited Cameron Seely yet — be the first.All fan clubsFrom NerdspinFilmographyActor52018The GrinchFilmCindy-Lou Who (voice)★ 6.92018Christmas Break-InFilmIzzy★ 5.72017The Greatest ShowmanFilmHelen Barnum★ 7.82015The Jim Gaffigan ShowTVMary • 22 episodes★ 5.82014Madam SecretaryTVAnnie Adams • 1 episodes★ 7.0