Then & Now: Revisiting 'Good Will Hunting'
"He was flipping out, screaming in the middle of the take, and stood in front of the camera, Harrington recalled. The movie's director, Gus Van Sant, "was sitting on the camera crane, looking up at the sky and asking 'Why me?' "
Harrington said he distracted the faculty member long enough for the director to film a couple more discreet shots.