Robin Williams discusses his movie "Awakenings" in this interview with Johnny Carson on "The Tonight Show Starring Johnny Carson" in 1991.

He's known for his impersonations and manic stand-up, but also shines in dramatic roles. Join us as we count down our top 10 favorite Robin Williams performances.

In Loving Memory
Graham Norton is joined by Oscar-winning Hollywood legend and comedian Robin Williams in 2008. Robin Williams died August 11, 2014.

The actor and comedian talks about playing a tiger in his first Broadway role, the war in Iraq and why being funny isn't always a good thing.

Unedited..camera A Robin Williams in NYC talking with Jimmy Carter about the film Awakenings.. Penny Marshall directed and Robert Deniro was his co star. Serious route for this funny man...but hes great at that too!

Unlike the transformation that his character underwent in the film plot, this is the actual transformation of Robin Williams by makeup artist Ve Neil. As you can see, it is a lot more complicated than the one-piece mask prop used by his character in the movie. I do not own any of the footage used i...

Watch the moment that Robin Williams won a Best Supporting Actor Oscar in 1998 for his portrayal of Dr Sean Maguire in Good Will Hunting.

In this 1995 interview, famed neurologist and author Oliver Sacks talks about the perils of profiling people, his friendship with Robin Williams (who played him in the film "Awakenings"), his wariness of technology, an island where 10% of the population can't see color, and his wonder over our "unim...

Music video by Bobby McFerrin performing Don't Worry Be Happy with a cameo performance by Robin Williams.

The cast of Broadway’s Freestyle Love Supreme performs “Tonight Show Pet Peeves,” a completely improvised rap song for the Tonight Show audience.