Which multi Oscar winning  actor scared a mole to death by gatecrashing a drinking session purposefully hidden from his legendary 'party hands'?

He rumbled their plans and ended up matching them drink for drink, making increasingly smutty suggestions to a mole who bailed out at 4am and went to his hotel room.

He was woken up after 10 minutes by xxxxx xxxxx in boxers shorts, clutching a bag of skunk and demanding "entry".