Mira Sorvino presents Robin Williams with the Best Supporting Actor Oscar for Good Will Hunting at the 70th Academy Awards.brbr the moment that Robin Williams won a Best Supporting Actor Oscar in 1998 for his portrayal of Dr Sean Maguire in Good Will Hunting. Get the latest .brThe funniest clip of his Ive ever seen!brCHECK OUT THESE AWESOME ROBIN WILLIAMS FAN T-SHIRTS. PERFECT FOR A TRUE FAN OF THE KING HIMSELF! .