This article was originally published in 2016 and has been updated with subsequent Tom Hanks films, including Here. You might say there’s a unified theory of Hanks. The actor contains multitudes but is always Tom Hanks.

Funnily enough, the author of the Forrest Gump book, (yes the film was based on a book) Winston Groom, did go on to write a sequel book following the success of the film, entitled Gump and Co. Tom Hanks and Robin Wright have delighted fans by reuniting for a new Robert Zemeckis film (Jon Kopaloff/Getty Images for AFI)

Legendary director Robert Zemeckis explains why Here, his new movie starring Tom Hanks, is possibly the most difficult film he's ever made.