Guilty of Treason is a 1950 American drama film directed by Felix E. Feist and starring Charles Bickford, Bonita Granville and Paul Kelly. Also known by the alternative title Treason, it is an anti-communist and anti-Soviet film about the story of József Mindszenty, a Roman Catholic cardinal from Hungary. Mindszenty spoke out against the Nazi occupation of his country during World War II, as well as the later Communist regime.