A new video by CineFix details the 10 best improvised scenes in movie history, and (spoiler alert) No. 1 is Robin Williams in pretty much every movie he ever made.

Of course, he was right on the money. Carrey gave a career-best turn in The Truman Show, won a Golden Globe despite being snubbed by the Academy in the ‘Best Actor’ race, and quickly consigned The ...

While the latter starred Robin Williams, the lead in God Bless America is Joel Murray, a beloved actor around the Slate office for portraying Freddy Rumsen on Mad Men.