Mark Alan Ruffalo (born November 22, 1967) is an American actor and producer. He began acting in the early 1990s and first gained recognition for his work in Kenneth Lonergan's play This Is Our Youth (1998) and drama film You Can Count on Me (2000). He went on...

Ruffalo gained nominations for the Academy Award for Best Supporting Actor for playing a sperm-donor in the comedy-drama The Kids Are All Right (2010), Dave Schultz in the biopic Foxcatcher (2014), and Michael Rezendes in the drama Spotlight (2015). He won the Screen Actors Guild Award for Best Actor in a TV Movie for playing a gay writer and activist in the television drama film The Normal Heart (2015), and the Primetime Emmy Award for Outstanding Lead Actor in a Limited Series or Movie for his dual role as identical twins in the miniseries I Know This Much Is True (2020). Ruffalo is one of the few performers to receive all four EGOT nominations.