Mark Ruffalo's Acting Journey and his Role in 'This Much Is True'

Mark Ruffalo discusses his acting career and shares insights about his role in the series 'This Much Is True'. He talks about the unique challenges of playing identical twins and the intense preparation required for the role. He also touches on his experience working with director Derek Cianfrance and the process of adapting the source material. Ruffalo reflects on the decision to pitch the series to HBO and the initial hesitations from other networks. He also discusses the importance of using his platform for activism.