Also in 1947, the House Un-American Activities Committee (HUAC) subpoenaed ten Hollywood directors and writers, the Hollywood Ten, intending to ask them to identify Communists, but the witnesses refused to testify.
此外，在1947年，众议院非美活动调查委员会（HUAC）传唤十位好莱坞的导演和编剧，人称“the Hollywood ten”，打算让他们识别共产党人，但证人拒绝作证。