Mark Ruffalo to play twins in HBO's upcoming series 'I Know This Much Is True'

Mark Ruffalo is all set to play twin brothers in HBO's upcoming limited series 'I Know This Much Is True'.

Mark Ruffalo to play twins in HBO's upcoming series 'I Know This Much Is True'
Mark Ruffalo is all set to play twin brothers in HBO's upcoming limited series 'I Know This Much Is True'.