“Secret MI5 files released today show that the secret services intended [in the 1950s] to imprison Wanamaker in an internment camp ‘in the event of an emergency with Russia’, because of his communist sympathies. The Chicago-born theatre director and actor” — who’d “moved to Britain after he was blacklisted by the House Un-American Activities Committee” — “went on to raise millions of pounds to rebuild Shakespeare’s Globe theatre in London….”