“We were filming a take once where my character had aged. We had tried shooting a few scenes and we all still looked fairly young underneath all of our make-up.
“So we were just trying out ideas and I suggested, ‘What if we got drunk the night before and came in feeling hung over the next day? I think we would come in feeling a bit rough and maybe that would make us a little tired and have a little less energy so we look older.’
“So we all did it and it worked. Now I swear by it.”