The reason the Internationalist Theatre productions demanded attention was that the directors who had already worked at top theatres like the Royal Court and the Royal Shakespeare Company had agreed to take the risk of directing classical plays with multi-racial casts, that the performance was of a very good standard, and furthermore that many prominent members of the arts establishment, Lindsay Anderson, Cameron MacKintosh, John Barton, Richard Eyre, the great casting director Mary Selway, Stephen Berkoff, Nicolas Roeg, came to see performances by Internationalsit Theatre.