Williams, who got his breakout role in the 1978 sitcom "Mork and Mindy," had an incredible range.
The talented star made us laugh in movies like "Mrs. Doubtfire" and won best supporting actor at the 1998 Oscars for the character he portrayed in the drama "Good Will Hunting."
In memory of Williams, we've compiled some of his best moments on screen that display both his comic and dramatic genius.