Samuel Barnett: 'I love acting " it's like competing at sport'
The actor on audience taming, tap-dancing dreams and how life mirrored art at the OlympicsWhen Samuel Barnett asks whether I'd like a coffee, it sounds familiar " and it's only belatedly that I realise it could have come straight from the mouth of Daniel Stroud, the PA he plays in the BBC's hilarious pseudo-documentary series Twenty Twelve, about the organisation team behind the Olympics. Daniel takes orders for coff…