Hmmm..

Films I've seen before reading the book:

They Shoto Horses Don't They (1969)

Wonderboys (2000)

Beautiful Mind (2001)

Being There (1979)

Manchurian Candidate (1962)

Slumdog Millionaire (2008)

Miracle Workers (2019)

About a Boy (2002)

Proof of Life (2000)

A Million Ways to Die in the West (2014)

Films I've watched after the book:

Of Mice and Men (1992)

The Great Gatsby (1975 and 2013)

Da Vinci Code (2006)

Rosemary's Baby (1968)

A Long Way Down (2014)

Merchant of Venice (2004)

Of Mice and Men (1992)

Alice in Wonderland (2000 and 2010)

Hitchhiker's Guide to the Galaxy (2001)

Harry Potter (2001)

Big Trouble (2002)

Tuck Everlasting (1981)

Fast Food Nation (2016)

Fear and Loathing in Las Vegas (1998) (I think?)