#MarkRuffalo has joined the cast of "Being Heumann," a film based on disability rights activist Judith Heumann’s memoir, directed by Oscar-winner #SiânHeder. Ruffalo will play Joseph Califano, starring alongside #RuthMadeley as Judy Heumann, Apple Original Films announced Tuesday. 🔗 link in bio for more on this story. #BeingHeumann #JudithHeumann