In a costume, you need very exaggerated body language - as you say, sort of mime-type skills.
“I did this film for less money than it costs to stay in this hotel. We shot it in 20 days. We couldn't screw up takes for fun because we didn't have enough film.”
“We shall never be understood or respected by the English until we carry our individuality to extremes, and by asserting our independence, become of sufficient consequence in their eyes to merit a closer study than they have hitherto accorded us.”