No costume needed

Kevin Spacey owned Jimmy Fallon in a Halloween-themed game of celebrity impressions

Who knew Kevin Spacey could do a spot-on Christopher Walken impression and, immediately after, channel former President Bill Clinton to tout the Ghostbusters? Spacey was so good in this celebrity impressions segment with Jimmy Fallon that he even upstaged the host's failed attempt to portray Michael Caine discussing candy corn. --Jon Terbush