From Wikipedia, the free encyclopedia. Grant Williams (August 18, 1931 - July 25, 1985) was an American film actor and operatic tenor. He is best remembered for his portrayal of Scott Carey in the seminal science fiction film The Incredible Shrinking Man (1957). The film has become a cult classic. Description above from the Wikipedia article Grant Williams, licensed under CC-BY-SA, full list of contributors on Wikipedia.