There's something immediately perverse about casting the Irish Richard Harris as Oliver Cromwell, who infamously described a massacre during his conquest of Ireland as "the righteous judgement of God on these barbarous wretches." Why put an IRA supporter in the role of an English dictator? Harris isn't hiding his accent here, either, which casts absurdity upon Cromwell's not-infrequent rages against Catholicism.
Yet the casting made much more sense to me after Cromwell got past the opening. Who better than an…