Naming Robin Williams' greatest role is a nearly impossible task. He was in so many wonderful movies, and he put forth numerous outstanding performances, but by at least one metric, the answer to the question is easy. Williams best role was in Good Will Hunting, as that was the movie that won him his (long overdue) Academy Award. Now, one of his co-stars from that film, Stellan Skarsgård, has opened up about the comedic legend and why he had to be "funny to survive."
Many have spoken in the past about the incredible impact that Williams had on making Good Will Hunting the movie it became. During a recent screening of the film (via EW), Stellan Skarsgård talked about his experience off camera with Williams, which was apparently very different depending on how many people were around. The actor explained…
