Stone bullied Douglas on Wall Street set
Stone constantly questioned Douglas' acting ability and even accused him of taking drugs, while the pair shot the finance film.
The actor later realised Stone was pushing him - and had the director to thank when he lifted the Best Actor Academy Award the following year (88) for his role as greedy bank boss Gordon Gekko.
Douglas tells People magazine, "He came into my trailer and said, 'You doing drugs?' I said, 'No', He said, 'Because you don't look like you've ever acted in your life.'
"He was willing for me to hate him for the rest of the picture if it gave him (Gekko) that much more of a twist."
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