From Mel Brooks to Mia Farrow, Hollywood Pays Tribute to John Hurt

The actor died in London at the age of 77 after battling pancreatic cancer.

"Harry Potter" author J.K. Rowling tweeted, "So very sad to hear that the immensely talented and deeply beloved John Hurt has died. My thoughts are with his family and friends."

Below are other tributes that flooded social media Friday evening:

JASON PRIESTLY

ABC News' Dominick Proto contributed to this report.